Hohenzollern Castle
With over 350,000 visitors per year Hohenzollern castle is one of the most visited castles in Germany. The castle is privately owned by the House of Hohenzollern, with two-thirds belonging to the Brandenburg-Prussian branch, and the balance to the Swabian branch. Since 1952, the Princess Kira of Prussia Foundation has used the castle for an annual summer camp for children. Whenever Prince George and his family are staying at the castle, the Prussian flag flies over the castle.
Cecilienhof
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.