Cecilienhof Palace ( ) is a palace in Potsdam , Brandenburg , Germany built from 1914 to 1917 in the layout of an English Tudor manor house . Cecilienhof was the last palace built by the House of Hohenzollern that ruled the Kingdom of Prussia and the German Empire until the end of World War I . It is famous for having been the location of the Potsdam Conference in 1945 , in which the leaders of the Soviet Union , the United Kingdom and the United States made important decisions affecting the shape of post World War II Europe and Asia . Cecilienhof has been part of the Palaces and Parks of Potsdam and Berlin UNESCO World Heritage Site since 1990
Potsdam Conference
Potsdam Conference
Cecilienhof