Map of the allied occupation zones in Austria from 1945 to 1955. The borders of the soviet zone of Vienna are according to the state of the year 1937, every area added aftermath is counted to Lower Austria.
recreation of Austria 1945-55.png using:

original source file
Austria adm location map.svg
Austria Vienna location map.svg
Flag of the Soviet Union (1923-1955).svg
Flag of the United States.svg
Flag of the United Kingdom.svg
derivative work: Master Uegly
Austria adm location map.svg: NordNordWest, file under license: Creative Commons by-sa-3.0 de
Flag of the Soviet Union (1923-1955).svg: rotemliss
Austria Vienna location map.svg: Rosso Robot