Title: Austria
Content:  The Parliament of Austria is located in Vienna, the country's capital and most populous city. Austria became a federal, representative democratic republic through the Federal Constitution of 1920. The political system of the Second Republic with its nine states is based on the constitution of 1920, amended in 1929, which was reenacted on 1 May 1945. The head of state is the Federal President (Bundespräsident), who is directly elected by popular majority vote, with a run-off between the top-scoring candidates if necessary. The head of the Federal Government is the Federal Chancellor (Bundeskanzler), who is selected by the President and tasked with forming a government based on the partisan composition of the lower house of parliament. The government 
Title: Metropolis
Content:  Vienna is the capital city of Austria, an old imperial city, and the seat of many international organisations, including OPEC, as well as hosting a main office of the United Nations. Together with its cultural acumen and history, these features make Vienna the only metropolis in Austria.
Title: Habsburg Monarchy
Content:  of Salzburg as a sovereign territory. ; Vienna, Austria's capital, became a state on 1 January 1922, having been the imperial residence and capital of the Austrian Empire (Reichshaupt und Residenzstadt Wien) for centuries. ; Austria, historically, was split into "Austria above the Enns" and "Austria below the Enns" (the Enns river is the state-border between Upper- and Lower Austria). Upper Austria was enlarged after the Treaty of Teschen (1779) following the "War of the Bavarian Succession" by the so-called Innviertel ("Inn Quarter"), formerly part of Bavaria. ; Hereditary Lands (Erblande or Erbländer; mostly used Österreichische Erblande) or German Hereditary Lands (in 
Title: Dissolution of Austria-Hungary
Content:  of 60% of the Austrian Empire's prewar territory, Vienna was now an imperial capital without an empire to support it. However, after a brief period of upheaval and the Allies' foreclosure of union with Germany, Austria established itself as a federal republic. Despite the temporary Anschluss with Nazi Germany, it still survives today. Adolf Hitler cited that all "Germans" – such as him and the others from Austria, etc. – should be united with Germany. Hungary was severely disrupted by the loss of 72% of its territory, 64% of its population and most of its natural resources. The Hungarian Democratic Republic was short-lived and 
Title: Vienna
Content:   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. The City also saw major uprisings against Hapsburg rule in 1848, which were surpressed. 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 
Title: Austria
Content:  Austria's population was estimated to be nearly 9 million (8.9) in 2020 by Statistik Austria. The population of the capital, Vienna, exceeds 1.9 million (2.6 million, including the suburbs), representing about a quarter of the country's population. It is known for its cultural offerings and high standard of living. Vienna is by far the country's largest city. Graz is second in size, with 291,007 inhabitants, followed by Linz (206,604), Salzburg (155,031), Innsbruck (131,989), and Klagenfurt (101,303). All other cities have fewer than 100,000 inhabitants. According to Eurostat, in 2018 there were 1.69 million foreign-born residents in Austria, corresponding to 19.2% of the total population. Of these, 928,700 (10.5%) were born outside the EU and 762,000 (8.6%) were born in another EU Member State. There are more than 483,100 descendants of foreign-born immigrants. Turks form one of the largest ethnic groups in Austria, numbering around 350,000. 
Title: Lower Austria
Content:  Lower Austria (Niederösterreich; Austro-Bavarian: Niedaöstareich, Niedaestareich) is one of the nine states of Austria, located in the northeastern corner of the country. Since 1986, the capital of Lower Austria has been Sankt Pölten, replacing Vienna which became a separate state in 1921. With a land area of 19186 km² and a population of 1.685 million people, Lower Austria is the second most populous federal state (after Vienna). Other large cities are Amstetten, Klosterneuburg, Krems an der Donau and Wiener Neustadt.
Title: Wiener Moderne
Content:  Under Emperor Franz Joseph I., the conservative-catholic Austrian-Hungarian Empire reaches its zenith and enters its final phase. Industrialization remains comparatively sluggish, a large administrative apparatus continues to tighten its empire-wide grip, with nationality conflicts in the multi-ethnic state coming to a head. Against this backdrop, in the empire's urban centers (Vienna, Budapest, Prague, Trieste, Zagreb, etc.) intellectual achievements abound in the development of - often contradictory - principles, opinions, scientific approaches and trends. The capital city of Vienna, which in 1900 has more than 2 million inhabitants, has become a cultural melting pot, because it is here that Central Europe's economic and intellectual elite congregates. Viennese 
Title: Austria
Content:  Austria, officially the Republic of Austria, is a landlocked country in the southern part of Central Europe, located on the Eastern Alps. It is composed of nine federated states, one of which is Vienna, Austria's capital and largest city. Austria is bordered by Germany to the northwest, the Czech Republic to the north, Slovakia to the northeast, Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the west. Austria occupies an area of 83879 km2 and has a population of nearly 9 million people. While Austrian German is the country's official language, many Austrians 
Title: Graz
Content:  Graz (, ; Gradec) is the capital city of the Austrian state of Styria and second-largest city in Austria after Vienna. As of 1 January 2021, it had a population of 331,562 (294,236 of whom had principal-residence status). In 2018, the population of the Graz larger urban zone (LUZ) stood at 652,654, based on principal-residence status. Graz is known as a college and university city, with four colleges and four universities. Combined, the city is home to more than 60,000 students. Its historic centre (Altstadt) is one of the best-preserved city centres in Central Europe. In 1999, the city's historic centre was added to the UNESCO list of World Heritage Sites and in 2010 the designation was expanded to include Eggenberg Palace (Schloss Eggenberg) on the western edge of the city. Graz was designated the Cultural Capital of Europe in 2003 and became a City of Culinary Delights in 2008.

Question: What is the capital of Austrian Empire?
Answer: Vienna.
Wien.
Vienna, Austria.
W.