Margareten is the fifth district of Vienna. It is near the old town of Vienna and was established as a district in 1850, but borders changed later. Margareten is a residential urban area, with over 25,000 inhabitants per km2, one of the most densely populated districts in Vienna. The district is named after Margaret of Antioch.

Wieden is the 4th municipal district of Vienna, Austria. It is near the centre of Vienna and was established as a district in 1850, but its borders were changed later. Wieden is a small region near the city centre. After World War II, Wieden was part of the Soviet sector of Vienna for 10 years.