SBZ - Die Geschichte der Sowjetischen Besatzungszone in Deutschland (1986)

The Soviet Occupation Zone (Sowjetische Besatzungszone SBZ) was an area of Germany in Central Europe that was occupied by the Soviet Union as a communist area, established as a result of the Potsdam Agreement on 1 August 1945. On 7 October 1949 the German Democratic Republic (GDR), commonly referred to in English as East Germany, was established in the Soviet Occupation Zone. The SBZ was one of the four Allied occupation zones of Germany created at the end of World War II with the Allied victory.