Wandlitz is a municipality in the district of Barnim, in Brandenburg, Germany. It is situated 25 km north of Berlin, and 15 km east of Oranienburg. The municipality was established in 2004 by merger of the nine villages Basdorf, , Lanke, , , , , Wandlitz and Zerpenschleuse. The communal government of the Great municipality has its seat in Wandlitz directly. It consists of deputies from the several parts of the commune and in accordance with the election results of the existing parties here.