The Potsdam Conference was a meeting of the Soviet Union , the United Kingdom and the United States in Potsdam , Germany from July 17 to August 2 , 1945 . The Potsdam Conference was held at Cecilienhof , the home of Crown Prince Wilhelm Hohenzollern , in Potsdam , occupied Germany , from 16 July to 2 August 1945 . Participants were the Soviet Union , the United Kingdom , and the United States .