Public housing in Austria

Karl-Marx-Hof (; ) is a Gemeindebau in Vienna, situated in Heiligenstadt, a neighbourhood of the 19th district of Vienna, Döbling.

thumb|280x280px|Karl-Marx-Hof in [[Döbling, Vienna (2009). The Gemeindebau was constructed between 1927 and 1933 during the Red Vienna period.]] Gemeindebau (; plural: Gemeindebauten) is an Austrian German word for "municipality building". It refers to residential buildings erected by a municipality in Austria, especially the city of Vienna, usually to provide public housing, as an example of council housing.