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( Vienna (;[9][10] German: Wien [viːn] listen )) is the national capital, largest city, and one of nine states of Austria. Vienna is Austria's most populous city, with about 1.9 million inhabitants[3] (2.6 million within the metropolitan area,[11] nearly one third of the country's population), and its cultural, economic, and political center. It is the 6th-largest city by population within city limits in the European Union.

Until the beginning of the 20th century, Vienna was the largest German-speaking city in the world, and before the splitting of the Austro-Hungarian Empire in World War I, the city had 2 million inhabitants. Today, it is the second-largest German-speaking city after Berlin. Vienna is host to many major international organizations, including the United Nations, OPEC and the OSCE. The city is located in the eastern part of Austria and is close to the borders of the Czech Republic, Slovakia and Hungary. These regions work together in a European Centrope border region. Along with nearby Bratislava, Vienna forms a metropolitan region with 3 million inhabitants. In 2001, the city center was designated a UNESCO World Heritage Site. In July 2017 it was moved to the list of World Heritage in Danger. Additionally to being known as the "City of Music" due to its musical legacy, as many famous classical musicians such as Beethoven and Mozart who called Vienna home. Vienna is also said to be the "City of Dreams", because of it being home to the world's first psychoanalyst Sigmund Freud. Vienna's ancestral roots lie in early Celtic and Roman settlements that transformed into a Medieval and Baroque city. It is well known for having played a pivotal role as a leading European music center, from the age of Viennese Classicism through the early part of the 20th century. The historic center of Vienna is rich in architectural ensembles, including Baroque palaces and gardens, and the late-19th-century Ringstraße lined with grand buildings, monuments and parks.

Vienna is known for its high quality of life. In a 2005 study of 127 world cities, the Economist Intelligence Unit ranked the city first (in a tie with Vancouver and San Francisco) for the world's most livable cities. Between 2011 and 2015, Vienna was ranked second, behind Melbourne. In 2018, it replaced Melbourne as the number one spot and continued as the first in 2019. For ten consecutive years (2009-2019), the human-resource-consulting firm Mercer ranked Vienna first in its annual "Quality of Living" survey of hundreds of cities around the world. Monocle's 2015 "Quality of Life Survey" ranked Vienna second on a list of the top 25 cities in the world "to make a base within." The UN-Habitat classified Vienna as the most prosperous city in the world in 2012/2013. The city was ranked 1st globally for its culture of innovation in 2007 and 2008, and sixth globally (out of 256 cities) in the 2014 Innovation Cities Index, which analyzed 162 indicators in covering three areas: culture, infrastructure, and markets. Vienna regularly hosts urban planning conferences and is often used as a case study by urban planners. Between 2005 and 2010, Vienna was the world's number-one destination for international congresses and conventions. It attracts over 6.8 million tourists a year.

The English name Vienna is borrowed from the homonymous Italian name. The etymology of the city's name is still subject to scholarly dispute. Some claim that the name comes from vedunia, meaning "forest stream", which subsequently produced the Old High German uuenia ( wenia in modern writing), the New High German wien and its dialectal variant wean.

Others believe that the name comes from the Roman settlement name of Celtic extraction , probably meaning "fair village, white settlement" from Celtic roots, vindo-, meaning "bright" or "fair" - as in the Irish fionn and the Welsh gwyn -, and -bona "village, settlement". The Celtic word vindos may reflect a widespread prehistorical cult of Vindos, a Celtic deity who survives in Irish Mythology as the warrior and seer Fionn mac Cumhaill. A variant of this Celtic name could be preserved in the Czech, Slovak and Polish names of the city ( Vídeň, Viedeň and Wiedeń respectively) and in that of the city's district Wieden.

The name of the city in Hungarian ( Bécs), Serbo-Croatian ( Beč; Cyrillic: Беч) and Ottoman Turkish ( Beç) has a different, probably Slavonic origin, and originally referred to an Avar fort in the area. Slovene-speakers call the city Dunaj, which in other Central European Slavic languages means the river Danube, on which the city stands.

Evidence has been found of continuous habitation in the Vienna area since 500 BC, when Celts settled the site on the Danube. In 15 BC the Romans fortified the frontier city they called Vindobona to guard the empire against Germanic tribes to the north.

Close ties with other Celtic peoples continued through the ages. The Irish monk Saint Colman (or Koloman, Irish Colmán, derived from colm "dove") is buried in Melk Abbey and Saint Fergil ( Virgil the Geometer) served as Bishop of Salzburg for forty years. Irish Benedictines founded twelfth-century monastic settlements; evidence of these ties persists in the form of Vienna's great Schottenstift monastery (Scots Abbey), once home to many Irish monks.

In 976, Leopold I of Babenberg became count of the Eastern March, a district centered on the Danube on the eastern frontier of Bavaria. This initial district grew into the duchy of Austria. Each succeeding Babenberg ruler expanded the march east along the Danube, eventually encompassing Vienna and the lands immediately east. In 1145 Duke Henry II Jasomirgott moved the Babenberg family residence from Klosterneuburg in Lower Austria to Vienna. From that time, Vienna remained the center of the Babenberg dynasty.

In 1440 Vienna became the resident city of the Habsburg dynasty. It eventually grew to become the de facto capital of the Holy Roman Empire (800-1806) in 1437 and a cultural center for arts and science, music and fine cuisine. Hungary occupied the city between 1485 and 1490.

In the 16th and 17th centuries Christian forces twice stopped Ottoman armies outside Vienna, in the 1529 Siege of Vienna and the 1683 Battle of Vienna. The Great Plague of Vienna ravaged the city in 1679, killing nearly a third of its population.

In 1804, during the Napoleonic Wars, Vienna became the capital of the newly formed Austrian Empire. The city continued to play a major role in European and world politics, including hosting the Congress of Vienna in 1814/15. After the Austro-Hungarian Compromise of 1867, Vienna remained the capital of what became the Austro-Hungarian Empire. The city functioned as a center of classical music, for which the title of the First Viennese School (Haydn/Mozart/Beethoven) is sometimes applied.

During the latter half of the 19th century, Vienna developed what had previously been the bastions and glacis into the Ringstraße, a new boulevard surrounding the historical town and a major prestige project. Former suburbs were incorporated, and the city of Vienna grew dramatically. In 1918, after World War I, Vienna became capital of the Republic of German-Austria, and then in 1919 of the First Republic of Austria.

In 1938, after a triumphant entry into Austria, the Austrian-born German Chancellor Adolf Hitler spoke to the Austrian Germans from the balcony of the Neue Burg, a part of the Hofburg at the Heldenplatz. In the ensuing days the new Nazi authorities oversaw the harassment of Viennese Jews, the looting of their homes, and their on-going deportation and murder. Between 1938 (after the Anschluss) and the end of the Second World War in 1945, Vienna lost its status as a capital to Berlin, because Austria ceased to exist and became part of Nazi Germany.

On 2 April 1945 the Soviet Red Army launched the Vienna Offensive against the Germans holding the city and besieged it. British and American air-raids, as well as artillery duels between the Red Army and the SS and Wehrmacht, crippled infrastructure, such as tram services and water- and power-distribution, and destroyed or damaged thousands of public and private buildings. Vienna fell eleven days later. At the end of the war, Austria again became separated from Germany, and Vienna regained its status as the capital city of the Republic of Austria, but the Soviet hold on the city remained until 1955, when Austria regained full sovereignty.

After the war, Vienna was part of Soviet-occupied Eastern Austria until September 1945. As in Berlin, Vienna in September 1945 was divided into sectors by the four powers: the US, the UK, France, and the Soviet Union and supervised by an Allied Commission. The four-power occupation of Vienna differed in one key respect from that of Berlin: the central area of the city, known as the first district, constituted an international zone in which the four powers alternated control on a monthly basis. The control was policed by the four powers on a de facto day-to-day basis, the famous "four soldiers in a jeep" method. The Berlin Blockade of 1948 raised Western concerns that the Soviets might repeat the blockade in Vienna. The matter was raised in the UK House of Commons by MP Anthony Nutting, who asked: "What plans have the Government for dealing with a similar situation in Vienna? Vienna is in exactly a similar position to Berlin."

There was a lack of airfields in the Western sectors, and authorities drafted contingency plans to deal with such a blockade. Plans included the laying down of metal landing mats at Schönbrunn. The Soviets did not blockade the city. The Potsdam Agreement included written rights of land access to the western sectors, whereas no such written guarantees had covered the western sectors of Berlin. Also, there was no precipitating event to cause a blockade in Vienna. (In Berlin, the Western powers had introduced a new currency in early 1948 to economically freeze out the Soviets.) During the 10 years of the four-power occupation, Vienna became a hotbed for international espionage between the Western and Eastern blocs. In the wake of the Berlin Blockade, the Cold War in Vienna took on a different dynamic. While accepting that Germany and Berlin would be divided, the Soviets had decided against allowing the same state of affairs to arise in Austria and Vienna. Here, the Soviet forces controlled districts 2, 4, 10, 20, 21, and 22 and all areas incorporated into Vienna in 1938.

The atmosphere of four-power Vienna is the background for Graham Greene's screenplay for the film The Third Man (1949). Later he adapted the screenplay as a novel and published it. Occupied Vienna is also depicted in the 1991 Philip Kerr novel, A German Requiem.

The four-power control of Vienna lasted until the Austrian State Treaty was signed in May 1955. That year, after years of reconstruction and restoration, the State Opera and the Burgtheater, both on the Ringstraße, reopened to the public. The Soviet Union signed the State Treaty only after having been provided with a political guarantee by the federal government to declare Austria's neutrality after the withdrawal of the allied troops. This law of neutrality, passed in late October 1955 (and not the State Treaty itself), ensured that modern Austria would align with neither NATO nor the Soviet bloc, and is considered one of the reasons for Austria's delayed entry into the European Union in 1995.

In the 1970s, Austrian Chancellor Bruno Kreisky inaugurated the Vienna International Center, a new area of the city created to host international institutions. Vienna has regained much of its former international stature by hosting international organizations, such as the United Nations ( United Nations Industrial Development Organization, United Nations Office at Vienna and United Nations Office on Drugs and Crime), the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization, the International Atomic Energy Agency, the Organization of Petroleum Exporting Countries, and the Organization for Security and Cooperation in Europe.

Because of the industrialization and migration from other parts of the Empire, the population of Vienna increased sharply during its time as the capital of Austria-Hungary (1867-1918). In 1910, Vienna had more than two million inhabitants, and was the third largest city in Europe after London and Paris. Around the start of the 20th century, Vienna was the city with the second-largest Czech population in the world (after Prague). After World War I, many Czechs and Hungarians returned to their ancestral countries, resulting in a decline in the Viennese population. After World War II, the Soviets used force to repatriate key workers of Czech, Slovak and Hungarian origins to return to their ethnic homelands to further the Soviet bloc economy.

By 2001, 16% of people living in Austria had nationalities other than Austrian, nearly half of whom were from former Yugoslavia; the next most numerous nationalities in Vienna were Turks (39,000; 2.5%), Poles (13,600; 0.9%) and Germans (12,700; 0.8%).

As of 2012, an official report from Statistics Austria showed that more than 660,000 (38.8%) of the Viennese population have full or partial migrant background, mostly from Ex-Yugoslavia, Turkey, Germany, Poland, Romania and Hungary.

From 2005 to 2015 the city's population grew by 10.1%. According to UN-Habitat, Vienna could be the fastest growing city out of 17 European metropolitan areas until 2025 with an increase of 4.65% of its population, compared to 2010.

According to the 2001 census, 49.2% of Viennese were Catholic, while 25.7% were of no religion, 7.8% were Muslim, 6.0% were members of an Eastern Orthodox Christian denomination, 4.7% were Protestant (mostly Lutheran), 0.5% were Jewish and 6.3% were either of other religions or did not reply. A 2011 report by the International Institute for Applied Systems Analysis showed the proportions had changed, with 41.3% Catholic, 31.6% no affiliation, 11.6% Muslim, 8.4% Eastern Orthodox, 4.2% Protestant, and 2.9% other.

Based on information provided to city officials by various religious organizations about their membership, Vienna's Statistical Yearbook 2019 reports in 2018 an estimated 610,269 Roman Catholics, or 32.3% of the population, and 195,000 (10.3%) Muslims, 70,298 (3.7%) Orthodox, 57,502 (3.0%) other Christians, and 9,504 (0.5%) other religions. A study conducted by the Vienna Institute of Demography estimated the 2018 proportions to be 34% Catholic, 30% unaffiliated, 15% Muslim, 10% Orthodox, 4% Protestant, and 6% other religions.

Vienna is the seat of the Metropolitan Roman Catholic Archdiocese of Vienna, in which is also vested the exempt Ordinariate for Byzantine-rite Catholics in Austria; its Archbishop is Cardinal Christoph Schönborn. Many Catholic churches in central Vienna feature performances of religious or other music, including masses sung to classical music and organ. Some of Vienna's most significant historical buildings are Catholic churches, including the St. Stephen's Cathedral ( Stephansdom), Karlskirche, Peterskirche and the Votivkirche. On the banks of the Danube, there is a Buddhist Peace Pagoda, built in 1983 by the monks and nuns of Nipponzan Myohoji.

Vienna is located in northeastern Austria, at the easternmost extension of the Alps in the Vienna Basin. The earliest settlement, at the location of today's inner city, was south of the meandering Danube while the city now spans both sides of the river. Elevation ranges from 151 to 542 m (495 to 1,778 ft). The city has a total area of 414.65 square kilometers (160.1 sq mi), making it the largest city in Austria by area.

Vienna has an oceanic climate ( Köppen classification Cfb). The city has warm summers, with periodical precipitations that can reach its yearly most in July and August (66.6 and 66.5 mm respectively) and average high temperatures from June to September of approximately 21 to 27 °C (70 to 81 °F), with a record maximum exceeding 38 °C (100 °F) and a record low in September of 5.6 °C (42 °F). Winters are relatively dry and cold with average temperatures at about freezing point. Spring is variable and autumn cool, with possible snowfalls already in November. Precipitation is generally moderate throughout the year, averaging around 550 mm (21.7 in) annually, with considerable local variations, the Vienna Woods region in the west being the wettest part (700 to 800 mm (28 to 31 in) annually) and the flat plains in the east being the driest part (500 to 550 mm (20 to 22 in) annually). Snow in winter is common, even if not so frequent compared to Western and Southern regions of Austria.

Vienna was moved to the UNESCO world heritage in danger list in 2017. The main reason was a planned high-rise development. The city's social democratic party planned construction of a 6,500 square metres (70,000 sq ft) complex in 2019. The plan includes a 66.3 metres (218 ft)-high tower, which was reduced from 75 metres (246 ft) due to opposition. UNESCO believed that the project "fails to comply fully with previous committee decisions, notably concerning the height of new constructions, which will impact adversely the outstanding universal value of the site." UNESCO set the restriction for the height of the construction in the city center to 43 metres (141 ft).

The citizens of Vienna also opposed the construction of the complex because they are afraid of losing UNESCO status and also of encouraging future high-rise development. The city officials replied that they will convince the WHC to maintain UNESCO world heritage status and said that no further high-rise developments are being planned.

UNESCO is concerned about the height of high-rise development in Vienna as it can dramatically influence the visual integrity of the city, specifically the baroque palaces. Visual impact studies are being done in the Vienna city center to assess the level of visual disturbance to visitors and how the changes influenced the city's visual integrity.

Vienna is composed of 23 districts ( Bezirke). Administrative district offices in Vienna (called Magistratische Bezirksämter) serve functions similar to those in the other Austrian states (called Bezirkshauptmannschaften), the officers being subject to the mayor of Vienna; with the notable exception of the police, which is under federal supervision.

District residents in Vienna (Austrians as well as EU citizens with permanent residence here) elect a District Assembly (Bezirksvertretung). City hall has delegated maintenance budgets, e.g., for schools and parks, so that the districts are able to set priorities autonomously. Any decision of a district can be overridden by the city assembly (Gemeinderat) or the responsible city councilor (amtsführender Stadtrat).

The heart and historical city of Vienna, a large part of today's Innere Stadt, was a fortress surrounded by fields in order to defend itself from potential attackers. In 1850, Vienna with the consent of the emperor annexed 34 surrounding villages, called Vorstädte, into the city limits (districts no. 2 to 8, after 1861 with the separation of Margareten from Wieden no. 2 to 9). Consequently, the walls were razed after 1857, making it possible for the city center to expand.

In their place, a broad boulevard called the Ringstraße was built, along which imposing public and private buildings, monuments, and parks were created by the start of the 20th century. These buildings include the Rathaus (town hall), the Burgtheater, the University, the Parliament, the twin museums of natural history and fine art, and the Staatsoper. It is also the location of New Wing of the Hofburg, the former imperial palace, and the Imperial and Royal War Ministry finished in 1913. The mainly Gothic Stephansdom is located at the center of the city, on Stephansplatz. The Imperial-Royal Government set up the Vienna City Renovation Fund (Wiener Stadterneuerungsfonds) and sold many building lots to private investors, thereby partly financing public construction works.

From 1850 to 1890, city limits in the West and the South mainly followed another wall called Linienwall at which a road toll called the Liniengeld was charged. Outside this wall from 1873 onwards a ring road called Gürtel was built. In 1890 it was decided to integrate 33 suburbs (called Vororte) beyond that wall into Vienna by 1 January 1892 and transform them into districts no. 11 to 19 (district no. 10 had been constituted in 1874); hence the Linienwall was torn down beginning in 1894. In 1900, district no. 20, Brigittenau, was created by separating the area from the 2nd district.

Industries are located mostly in the southern and eastern districts. The Innere Stadt is situated away from the main flow of the Danube, but is bounded by the Donaukanal ("Danube canal"). Vienna's second and twentieth districts are located between the Donaukanal and the Danube. Across the Danube, where the Vienna International Center is located (districts 21-22), and in the southern areas (district 23) are the newest parts of the city.

In the twenty years before the First World War and until 1918, Viennese politics were shaped by the Christian Social Party. In particular, long-term mayor Karl Lueger was able to not apply the general voting rights for men introduced by and for the parliament of imperial Austria, the Reichsrat, in 1907, thereby excluding most of the working class from taking part in decisions. For Adolf Hitler, who spent some years in Vienna, Lueger was a teacher of how to use antisemitism in politics.

Vienna is today considered the center of the Social Democratic Party (SPÖ). During the period of the First Republic (1918-1934), the Vienna Social Democrats undertook many social reforms. At that time, Vienna's municipal policy was admired by Socialists throughout Europe, who therefore referred to the city as " Red Vienna" ( Rotes Wien). In February 1934 troops of the Austrian federal government under Engelbert Dollfuss, who had closed down the first chamber of the federal parliament, the Nationalrat, in 1933, and paramilitary socialist organizations were engaged in the Austrian Civil War, which led to the ban of the Social Democratic party.

The SPÖ has held the mayor's office and control of the city council/parliament at every free election since 1919. The only break in this SPÖ dominance came between 1934 and 1945, when the Social Democratic Party was illegal, mayors were appointed by the austro-fascist and later by the Nazi authorities. The mayor of Vienna is Michael Ludwig of the SPÖ.

The city has enacted many social democratic policies. The Gemeindebauten are social housing assets that are well integrated into the city architecture outside the first or "inner" district. The low rents enable comfortable accommodation and good access to the city amenities. Many of the projects were built after the Second World War on vacant lots that were destroyed by bombing during the war. The city took particular pride in building them to a high standard.

Since Vienna obtained federal state ( Bundesland) status of its own by the federal constitution of 1920, the city council also functions as the state parliament ( Landtag), and the mayor (except 1934-1945) also doubles as the Landeshauptmann (governor/minister-president) of the state of Vienna. The Rathaus accommodates the offices of the mayor (de:Magistrat der Stadt Wien) and the state government ( Landesregierung). The city is administered by a multitude of departments ( Magistratsabteilungen), politically supervised by amtsführende Stadträte (members of the city government leading offices; according to the Vienna constitution opposition parties have the right to designate members of the city government not leading offices).

Under the city constitution of 1920, municipal and state business must be kept separate. Hence, the city council and state parliament hold separate meetings, with separate presiding officers-the chairman of the city council or the president of the state Landtag-even though the two bodies' memberships are identical. When meeting as a city council, the deputies can only deal with the affairs of the city of Vienna; when meeting as a state parliament, they can only deal with the affairs of the state of Vienna.

In the 1996 City Council election, the SPÖ lost its overall majority in the 100-seat chamber, winning 43 seats and 39.15% of the vote. The SPÖ had held an outright majority at every free municipal election since 1919. In 1996 the Freedom Party of Austria (FPÖ), which won 29 seats (up from 21 in 1991), beat the ÖVP into third place for the second time running. From 1996 to 2001, the SPÖ governed Vienna in a coalition with the ÖVP. In 2001 the SPÖ regained the overall majority with 52 seats and 46.91% of the vote; in October 2005 this majority was increased further to 55 seats (49.09%). In course of the 2010 city council elections the SPÖ lost their overall majority again and consequently forged a coalition with the Green Party - the first SPÖ/Green coalition in Austria. This coalition was maintained following the 2015 election.

Vienna is one of the wealthiest regions in the European Union: Its gross regional product of EUR 47,200 per capita constituted 25.7% of Austria's GDP in 2013. It amounts to 159% of the EU average. The city improved its position from 2012 on the ranking of the most economically powerful cities reaching number nine on the listing in 2015.

With a share of 85.5% in gross value added, the service sector is Vienna's most important economic sector. Industry and commerce have a share of 14.5% in gross value added, the primary sector (agriculture) has a share of 0.07% and therefore plays a minor role in the local added value. However, the cultivation and production of wines within the city borders have a high socio-cultural value. The most important business sectors are trade (14.7% of added value in Vienna), scientific and technological services, real estate and housing activities as well as manufacturing of goods. In 2012, Vienna's contribution in Austria's outgoing and incoming foreign direct investments was of about 60%, which demonstrates Vienna's role as an international hub for domestic and foreign companies.

Since the fall of the Iron Curtain in 1989, Vienna has expanded its position as gateway to Eastern Europe: 300 international companies have their Eastern European headquarters in Vienna and its environs. Among them are Hewlett Packard, Henkel, Baxalta and Siemens. Companies in Vienna have extensive contacts and competences in business with Eastern Europe due to the city's historical role as center of the Habsburg Empire. The number of international businesses in Vienna is still growing: In 2014 159 and in 2015 175 international firms established offices in Vienna.

Altogether, approximately 8,300 new companies have been founded in Vienna every year since 2004. The majority of these companies are operating in fields of industry-oriented services, wholesale trade as well as information and communications technologies and new media. Vienna makes effort to establish itself as a start-up hub. Since 2012, the city hosts the annual Pioneers Festival, the largest start-up event in Central Europe with 2,500 international participants taking place at Hofburg Palace. Tech Cocktail, an online portal for the start-up scene, has ranked Vienna sixth among the top ten start-up cities worldwide.

The city of Vienna attaches major importance to science and research and focuses on creating a positive environment for research and development. In 2014, Vienna has accommodated 1,329 research facilities; 40,400 persons are employed in the R&D sector and 35% of Austria's R&D expenses are invested in the city. With a research quota of 3.4% Vienna exceeds the Austrian average of 2.77% and has already met the EU target of 3.0% by 2020. A major R&D sector in Vienna are life sciences. The Vienna Life Science Cluster is Austria's major hub for life science research, education and business. Throughout Vienna, five universities and several basic research institutes form the academic core of the hub with more than 12,600 employees and 34,700 students. Here, more than 480 medical device, biotechnology and pharmaceutical companies with almost 23,000 employees generate around 12 billion euros in revenue (2017). This corresponds to more than 50% of the revenue generated by life science companies in Austria (22.4 billion euros).

Vienna is home to global players like Boehringer Ingelheim, Octapharma, Ottobock and Takeda. However, there is also a growing number of start-up companies in the life sciences and Vienna was ranked first in the 2019 PeoplePerHour Startup Cities Index. Companies such as Apeiron Biologics, Hookipa Pharma, Marinomed, mySugr, Themis Bioscience and Valneva operate a presence in Vienna and regularly hit the headlines internationally.

To facilitate tapping the economic potential of the multiple facettes of the life sciences at Austria's capital, the Austrian Federal Ministry for Digital and Economic Affairs and the local government of City of Vienna have joined forces: Since 2002, the LISAvienna platform is available as a central contact point. It provides free business support services at the interface of the Austrian federal promotional bank, Austria Wirtschaftsservice and the Vienna Business Agency and collects data that inform policy making. The main academic hot spots in Vienna are the Life Science Center Muthgasse with the University of Natural Resources and Life Sciences (BOKU), the Austrian Institute of Technology, the University of Veterinary Medicine, the AKH Vienna with the MedUni Vienna and the Vienna Biocenter. Central European University , a graduate institution expelled from Budapest in the midst of a Hungarian government steps to take control of academic and research organizations, welcomes the first class of students to its new Vienna campus in 2019.

The Viennese sector for information and communication technologies is comparable in size with the sector in Helsinki, Milan or Munich and thus among Europe's largest IT locations. In 2012 8,962 IT businesses with a workforce of 64,223 were located in the Vienna Region. The main products are instruments and appliances for measuring, testing and navigation as well as electronic components. More than ⅔ of the enterprises provide IT services. Among the biggest IT firms in Vienna are Kapsch, Beko Engineering & Informatics, air traffic control experts Frequentis, Cisco Systems Austria, Hewlett-Packard, Microsoft Austria, IBM Austria and Samsung Electronics Austria.

The US technology corporation Cisco runs its Entrepreneurs in Residence program for Europe in Vienna in cooperation with the Vienna Business Agency.

The British company UBM has rated Vienna one of the Top 10 Internet Cities worldwide, by analyzing criteria like connection speed, WiFi availability, innovation spirit and open government data.

In 2011 74.3% of Viennese households were connected with broadband, 79% were in possession of a computer. According to the broadband strategy of the city, full broadband coverage will be reached by 2020.

There were 14.96 million overnight stays in Vienna in 2016 (+4.4% compared to 2015). In 2014, 6.2 million tourists visited Vienna and amounted to 13,524,266 overnight stays. The main markets for tourists are Germany, the United States, Italy and Russia. Between 2005 and 2013, Vienna was the world's number one destination for international congresses and conventions. In 2014, 202 international conferences were held in Vienna, making it the second most popular congress location worldwide according to the statistics of the International Congress and Convention Association. Its largest conference center, the Austria Center Vienna (ACV) has a total capacity for around 20,000 people and is situated next to the United Nations Headquarters in Vienna. Other centers are the Messe Wien Exhibition & Congress Center (up to 3,300 people) and the Hofburg Palace (up to 4,900 people).

Regarding quality of living, Vienna leads the 2019 Quality of Living Ranking by the international Mercer Consulting Group for the tenth consecutive year. In the 2015 liveability report by the Economist Intelligence Unit as well as in the Quality of Life Survey 2015 of London-based Monocle magazine Vienna was equally ranked second most livable city worldwide.

The United Nations Human Settlements Programme UN-Habitat has ranked Vienna the most prosperous city in the world in its flagship report State of the World Cities 2012/2013.

According to the 2014 City RepTrack ranking by the Reputation Institute, Vienna has the best reputation in comparison with 100 major global cities.

The Innovation Cities Global Index 2014 by the Australian innovation agency 2thinknow ranks Vienna sixth behind San Francisco- San Jose, New York City, London, Boston and Paris. In 2019 PeoplePerHour put Vienna at the top of their Startup Cities Ranking.

US climate strategist Boyd Cohen placed Vienna first in his first global smart cities ranking of 2012. In the 2014 ranking, Vienna reached third place among European cities behind Copenhagen and Amsterdam.

The Mori Memorial Institute for Urban Strategies ranked Vienna in the top ten of their Global Power City Index 2016.

Vienna's new Central Railway Station was opened in October 2014. Construction began in June 2007 and was due to last until December 2015. The station is served by 1,100 trains with 145,000 passengers. There is a shopping center with approximately 90 shops and restaurants. In the vicinity of the station a new district is emerging with 550,000 m ² (5,920,000 sq ft) office space and 5,000 apartments until 2020.

Seestadt Aspern is one of the largest urban expansion projects of Europe. A 5 hectare artificial lake, offices, apartments and a tube station within walking distance are supposed to attract 20,000 new citizens when construction is completed in 2028. In addition, the highest wooden skyscraper of the world called "HoHo Wien" will be built within 3 years, starting in 2015.

Music, theater and opera

Art and culture had a long tradition in Vienna, including theater, opera, classical music and fine arts. The Burgtheater is considered one of the best theaters in the German-speaking world alongside its branch, the Akademietheater. The Volkstheater Wien and the Theater in der Josefstadt also enjoy good reputations. There is also a multitude of smaller theaters, in many cases devoted to less mainstream forms of the performing arts, such as modern, experimental plays or cabaret.

Vienna is also home to a number of opera houses, including the Theater an der Wien, the Staatsoper and the Volksoper, the latter being devoted to the typical Viennese operetta. Classical concerts are performed at venues such as the Wiener Musikverein, home of the Vienna Philharmonic Orchestra known across the world for the annual widely broadcast "New Year's Day Concert", as well as the Wiener Konzerthaus, home of the internationally renowned Vienna Symphony. Many concert venues offer concerts aimed at tourists, featuring popular highlights of Viennese music, particularly the works of Wolfgang Amadeus Mozart, Johann Strauss I, and Johann Strauss II.

Up until 2005, the Theater an der Wien has hosted premieres of musicals, although with the year of the Mozart celebrations 2006 it has devoted itself to the opera again and has since become a stagione opera house offering one new production each month, thus quickly becoming one of Europe's most interesting and advanced opera houses. Since 2012 Theater an der Wien has taken over the Wiener Kammeroper, a historical small theater in the first district of Vienna seating 300 spectators, turning it into its second venue for smaller sized productions and chamber operas created by the young ensemble of Theater an der Wien (JET). Before 2005 the most successful musical was , which was later translated into several languages and performed all over the world. The Wiener Taschenoper is dedicated to stage music of the 20th and 21st century. The Haus der Musik ("house of music") opened in the year 2000.

In 1981 the popular British new romantic group Ultravox paid a tribute to Vienna on an album and an artful music video recording called Vienna. The inspiration for this work arose from the cinema production called The Third Man with the title Zither music of Anton Karas.

The Vienna's English Theatre (VET) is an English theater in Vienna. It was founded in 1963 and is located in the 8th Vienna's district. It is the oldest English-language theater in continental Europe.

In May 2015, Vienna hosted the Eurovision Song Contest following Austria's victory in the 2014 contest.

Notable entertainers born in Vienna include Hedy Lamarr, Christoph Waltz, John Banner, Christiane Hörbiger, Eric Pohlmann, Boris Kodjoe, Christine Buchegger, Mischa Hausserman, Senta Berger and Christine Ostermayer.

Notable musicians born in Vienna include Louie Austen, Alban Berg, Falco, Fritz Kreisler, Joseph Lanner, Arnold Schönberg, Franz Schubert, Johann Strauss I, Johann Strauss II, Anton Webern, and Joe Zawinul.

Notable writers from Vienna include Karl Leopold von Möller and Stefan Zweig.

Notable politicians from Vienna include Karl Leopold von Möller.

The Hofburg is the location of the Imperial Treasury ( Schatzkammer), holding the imperial jewels of the Habsburg dynasty. The Sisi Museum (a museum devoted to Empress Elisabeth of Austria) allows visitors to view the imperial apartments as well as the silver cabinet. Directly opposite the Hofburg are the Kunsthistorisches Museum, which houses many paintings by old masters, ancient and classical artifacts, and the Naturhistorisches Museum.

Concurrent to the Art Nouveau movement was the Wiener Moderne, during which some architects shunned the use of extraneous adornment. A key architect of this period was Adolf Loos, whose works include the Looshaus (1909), the Kärntner Bar or American Bar (1908) and the Steiner House (1910).

The 220-meter high DC Tower 1 located on the Northern bank of the Danube, completed in 2013, is the tallest skyscraper in Vienna. In recent years, Vienna has seen numerous architecture projects completed which combine modern architectural elements with old buildings, such as the remodeling and revitalization of the old Gasometer in 2001. Most buildings in Vienna are relatively low; in early 2006 there were around 100 buildings higher than 40 metres (130 feet). The number of high-rise buildings is kept low by building legislation aimed at preserving green areas and districts designated as world cultural heritage. Strong rules apply to the planning, authorization and construction of high-rise buildings. Consequently, much of the inner city is a high-rise free zone.

Vienna is the last great capital of the 19th-century ball. There are over 450 balls per year, some featuring as many as nine live orchestras. Balls are held in the many palaces in Vienna, with the principal venue being the Hofburg Palace in Heldenplatz. While the Opera Ball is the best known internationally of all the Austrian balls, other balls such as the Kaffeesiederball (Cafe Owners Ball), the Jägerball (Hunter's Ball) and the Life Ball (AIDS charity event) are almost as well known within Austria and even better appreciated for their cordial atmosphere. Viennese of at least middle class may visit a number of balls in their lifetime.

Dancers and opera singers from the Vienna State Opera often perform at the openings of the larger balls.

A Vienna ball is an all-night cultural attraction. Major Vienna balls generally begin at 9 pm and last until 5 am, although many guests carry on the celebrations into the next day. The Viennese balls are being exported with the support of the City of Vienna in around 30 cities worldwide such as New York, Barcelona, Hong Kong, Kuala Lumpur, Rome, Prague, Bucharest, Berlin and Moscow.

Vienna is part of the Austro-Bavarian language area, in particular Central Bavarian ( Mittelbairisch). In recent years, linguistics experts have seen a decline in the use of the Viennese variant. Manfred Glauninger, sociolinguist at the Institute for Austrian Dialect and Name Lexica, has observed three issues. First, many parents feel there's a stigma attached to the Viennese dialect so they speak Standard German to their children. Second, many children have recently immigrated to Austria and are learning German as a second language in school. Third, young people are influenced by mass media which is most always delivered in Standard German.

Vienna is Austria's main center of education and home to many universities, professional colleges and gymnasiums (high schools).

Vienna possesses many parks, including the , the Burggarten, the Volksgarten (part of the Hofburg), the Schlosspark at Schloss Belvedere (home to the Vienna Botanic Gardens), the Donaupark, the Schönbrunner Schlosspark, the , the Augarten, the Rathauspark, the Lainzer Tiergarten, the Dehnepark, the Resselpark, the Votivpark, the Kurpark Oberlaa, the Auer-Welsbach-Park and the Türkenschanzpark. Green areas include Laaer-Berg (including the Bohemian Prater) and the foothills of the Wienerwald, which reaches into the outer areas of the city. Small parks, known by the Viennese as Beserlparks, are everywhere in the inner city areas.

Many of Vienna's parks include monuments, such as the Stadtpark with its statue of Johann Strauss II, and the gardens of the baroque palace, where the State Treaty was signed. Vienna's principal park is the Prater which is home to the Riesenrad, a Ferris wheel, and Kugelmugel, a micronation the shape of a sphere. The imperial Schönbrunn's grounds contain an 18th-century park which includes the world's oldest zoo, founded in 1752. The Donauinsel, part of Vienna's flood defenses, is a 21.1 km (13.1 mi) long artificial island between the Danube and Neue Donau dedicated to leisure activities.

The Neue Donau, which was formed after the Donauinsel was created, is free of river traffic and has been referred to as an "autobahn for swimmers" due to its use by the public for commuting.

Vienna is well known for Wiener Schnitzel, a cutlet of veal (Kalbsschnitzel) or pork (Schweinsschnitzel) that is pounded flat, coated in flour, egg and breadcrumbs, and fried in clarified butter. It is available in almost every restaurant that serves Viennese cuisine and can be eaten hot or cold. The traditional 'Wiener Schnitzel' though is a cutlet of veal. Other examples of Viennese cuisine include Tafelspitz (very lean boiled beef), which is traditionally served with Geröstete Erdäpfel (boiled potatoes mashed with a fork and subsequently fried) and horseradish sauce, Apfelkren (a mixture of horseradish, cream and apple) and Schnittlauchsauce (a chives sauce made with mayonnaise and stale bread).

Vienna has a long tradition of producing cakes and desserts. These include Apfelstrudel (hot apple strudel), Milchrahmstrudel (milk-cream strudel), Palatschinken (sweet pancakes), and Knödel (dumplings) often filled with fruit such as apricots (Marillenknödel). Sachertorte, a delicately moist chocolate cake with apricot jam created by the Sacher Hotel, is world-famous.

In winter, small street stands sell traditional Maroni (hot chestnuts) and potato fritters.

Sausages are popular and available from street vendors (Würstelstand) throughout the day and into the night. The sausage known as (German for Viennese) in the U.S. and in Germany, is called a Frankfurter in Vienna. Other popular sausages are Burenwurst (a coarse beef and pork sausage, generally boiled), Käsekrainer (spicy pork with small chunks of cheese), and (a white pork sausage). Most can be ordered "mit Brot" (with bread) or as a "hot dog" (stuffed inside a long roll). Mustard is the traditional condiment and usually offered in two varieties: "süß" (sweet) or "scharf" (spicy).

Kebab, pizza and noodles are, increasingly, the snack foods most widely available from small stands.

The Naschmarkt is a permanent market for fruit, vegetables, spices, fish, meat, etc., from around the world. The city has many coffee and breakfast stores.

Vienna, along with Paris, Santiago, Cape Town, Prague, Canberra, Bratislava and Warsaw, is one of the few remaining world capital cities with its own vineyards. The wine is served in small Viennese pubs known as Heuriger, which are especially numerous in the wine growing areas of Döbling ( Grinzing, Neustift am Walde, Nußdorf, Salmannsdorf, Sievering), Floridsdorf (Stammersdorf, Strebersdorf), Liesing ( Mauer) and Favoriten (Oberlaa). The wine is often drunk as a Spritzer ("G'spritzter") with sparkling water. The Grüner Veltliner, a dry white wine, is the most widely cultivated wine in Austria.

Beer is next in importance to wine. Vienna has a single large brewery, Ottakringer, and more than ten microbreweries. A "Beisl" is a typical small Austrian pub, of which Vienna has many.

Also, local soft drinks such as Almdudler are popular around the country as an alternative to alcoholic beverages, placing it on the top spots along American counterparts such as Coca-Cola in terms of market share. Another popular drink is the so-called " Spezi", a mix between Coca-Cola and the original formula of Orange Fanta or the more locally renowned Frucade.

Viennese cafés

Viennese cafés have an extremely long and distinguished history that dates back centuries, and the caffeine addictions of some famous historical patrons of the oldest are something of a local legend. These coffee houses are unique to Vienna and many cities have unsuccessfully sought to copy them. Some people consider cafés as their extended living room where nobody will be bothered if they spend hours reading a newspaper while enjoying their coffee. Traditionally, the coffee comes with a glass of water. Viennese cafés claim to have invented the process of filtering coffee from booty captured after the second Turkish siege in 1683. Viennese cafés claim that when the invading Turks left Vienna, they abandoned hundreds of sacks of coffee beans. The Polish King John III Sobieski, the commander of the anti-Turkish coalition of Poles, Germans, and Austrians, gave Franz George Kolschitzky (Polish - Franciszek Jerzy Kulczycki) some of this coffee as a reward for providing information that allowed him to defeat the Turks. Kolschitzky then opened Vienna's first coffee shop. Julius Meinl set up a modern roasting plant in the same premises where the coffee sacks were found, in 1891.

There are also more than 100 art museums, which together attract over eight million visitors per year. The most popular ones are Albertina, Belvedere, Leopold Museum in the Museumsquartier, KunstHausWien, Bank Austria Kunstforum, the twin Kunsthistorisches Museum and Naturhistorisches Museum, and the Technisches Museum Wien, each of which receives over a quarter of a million visitors per year.

Modern attractions include the Hundertwasserhaus, the United Nations headquarters and the view from the Donauturm.

Vienna has multiple road connections including expressways and motorways.

Vienna is served by Vienna International Airport, located 18 km (11 mi) southeast of the city center next to the town of Schwechat. The airport handled approximately 31.7 million passengers in 2019. Following lengthy negotiations with surrounding communities, the airport will be expanded to increase its capacity by adding a third runway. The airport is undergoing a major expansion, including a new terminal building that opened in 2012 to prepare for an increase in passengers.

Vienna also headquartered the International Taekwon-Do Federation (ITF).

Alongside international and intergovernmental organizations, there are dozens of charitable organizations based in Vienna. One such organization is the network of SOS Children's Villages, founded by Hermann Gmeiner in 1949. Today, SOS Children's Villages are active in 132 countries and territories worldwide. Others include HASCO.

In addition, individual Viennese districts have international partnerships all over the world. A detailed list is published on the website of the City of Vienna.

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( Vienna (;[9] [10] German: Wien [viːn] listen )) is the national capital, largest city, and one of nine states of Austria. Vienna is Austria's most populous city, with about 1.9 million inhabitants[3] (2.6 million within the metropolitan area,[11] nearly one third of the country's population), and its cultural, economic, and political center.