Eberswalde (German pronunciation: [ˌʔeːbɐsˈvaldə]) is a major town and the administrative seat of the district Barnim in the German Federal State (Bundesland) of Brandenburg, about 50 km northeast of Berlin. Population 42144 (census in June 2005), geographical location (52°50′N13°50′E). The town is often called Waldstadt (forest town), because of the large forests around it, including the Schorfheide-Chorin Biosphere Reserve.