East Germany West Germany historical geographic location Allied-occupied Germany 1945 1949 https://en.wikipedia.org/wiki/Allied-occupied_Germany https://www.wikidata.org/wiki/Q2415901 German Upon defeat of Nazi Germany in World War II, the victorious Allies asserted joint authority and sovereignty over 'Germany as a whole', defined as all territories of the former German Reich west of the Oder–Neisse line, having declared the destruction of Nazi Germany at the death of Adolf Hitler. The four powers divided 'Germany as a whole' into four occupation zones for administrative purposes, under the United States, United Kingdom, France and the Soviet Union respectively; creating what became collectively known as Allied-occupied Germany. Nazi Germany