Potsdam is a city in the German state of Brandenburg, located about 25 kilometers southwest of Berlin. It is best known for its palaces and parks, including the famous Sanssouci Palace and Park, which was built in the 18th century as the summer residence of the Prussian kings. The city was heavily damaged during World War II, but many of its historic buildings have since been restored. Today, Potsdam is a popular tourist destination, attracting visitors with its rich history, culture, and natural beauty.