Schloss Charlottenburg is a Baroque palace in Berlin, located in Charlottenburg, a district of the Charlottenburg-Wilmersdorf borough. The palace was built at the end of the 17th century and was greatly expanded during the 18th century. It includes much lavish internal decoration in Baroque and Rococo styles. A large formal garden surrounded by woodland was added behind the palace, including a belvedere, a mausoleum, a theatre and a pavilion.