Schaalsee is a 24 km2 lake in Germany. It forms part of the border between Schleswig-Holstein and Mecklenburg-Vorpommern. The town of Zarrentin is located on its southern shores. Other municipalities on the lake are Seedorf, Sterley, Salem, Kittlitz and Kneese.
It was declared a biosphere reserve in 2000.
Wikipedia https://en.wikipedia.org/wiki/Schaalsee
Address 23883, Germany
Coordinates 53°35'54.038" N 10°54'56.08" E