Eberswalde is a major town and the administrative seat of the district Barnim in the German State of Brandenburg, about 50 km northeast of Berlin. Population 42,144, geographical location 52°50′N 13°50′E. The town is often called Waldstadt, because of the large forests around it, including the Schorfheide-Chorin Biosphere Reserve. Despite this fact, Eberswalde was an important industrial center until the German Reunification.