Windmill in Ketzin, Brandenburg | Atmoph Window
Windmill in Ketzin. Ketzin (German: [kɛˈt͡siːn], official name: Ketzin/Havel) is a town in the Havelland district, in Brandenburg, Germany. It is situated on the river Havel, 17 km northwest of Potsdam, and 40 km west of Berlin.