Vienna contains the administrative territorial entity Margareten
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.
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