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, Klosterfelde, Lanke, Prenden, Schönerlinde, Schönwalde, Stolzenhagen, 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.
The post-war influx of refugees from eastern regions lead to a rise in the population. The population growth stagnated during the communist era. After the fall of the Berlin Wall, the population began a rising tendency again.
Wandlitz was first mentioned as Slavic Vandlice in a 1242 deed, when the Margraves of Brandenburg John I and Otto III sold it to the Lehnin Abbey. The word means men who live at the water. Situated on the Barnim plateau among woods and lakes it became a popular recreation area especially in the 20th century. Since 1901 the Heidekrautbahn railway line links Wandlitz with Berlin.