After Prussia was dissolved by the allied powers in 1947 , the area was divided between the German states of Brandenburg , Mecklenburg , Saxony , Saxony-Anhalt und Thuringia . After Prussia was dissolved by the Allied powers in 1947 , the area was divided between the German states ( LÃ nder ) of Brandenburg , Mecklenburg , Saxony , Saxony-Anhalt und Thuringia .