Potsdam is the capital city of the German federal state of Brandenburg and is part of the Metropolitan area of Berlin/Brandenburg. It is situated on the River Havel, 24 km southwest of Berlin city center.
Potsdam has several claims to national and international notability. In Germany, it has the status Windsor has in England. It was the residence of the Prussian kings until 1918. Around the city there are a series of interconnected lakes and unique cultural landscapes, in particular the parks and palaces of Sanssouci, the largest World Heritage Site in Germany. The Potsdam Conference, the major post-war conference between the victorious Allies, was held at another palace in the area, the Cecilienhof.