Havelsee is a town in the Potsdam-Mittelmark district, in Brandenburg, Germany. It is situated on the river Havel, 12 km northwest of Brandenburg.
The Pritzerbe Ferry, a vehicular cable ferry, crosses the Havel between Havelsee and Kützkow.
Wikipedia https://en.wikipedia.org/wiki/Havelsee
Coordinates 52°29'29.031" N 12°27'34.487" E