Four occupation zones refer to the division of post-war Germany into four regions controlled by Allied powers - the United States, Great Britain, France, and the Soviet Union.
Related terms
Iron Curtain: A metaphorical term coined by Winston Churchill referring to the ideological division between Western Europe (capitalist) and Eastern Europe (communist).
Bizonia/Trizonia: The merging of British, American, and French occupation zones within Germany after World War II.
Cold War: A period of political tension and hostility between Western countries led by the United States and Eastern Bloc nations led by the Soviet Union.