High Quality Content by WIKIPEDIA articles! Potsdamer Platz (English Potsdam Square) is an important public square and traffic intersection in the centre of Berlin, Germany, lying about one kilometre south of the Brandenburg Gate and the Reichstag (German Parliament Building), and close to the southeast corner of the Tiergarten park. It is named after the city of Potsdam, some 25 km to the south west, and marks the point where the old road from Potsdam passed through the city wall of Berlin at the Potsdam Gate.