Schönsee, Kr. Wirsitz is a place, that 1939 belonged to German Empire and was situated in the administrative region Wirsitz.
Schönsee, Kr. Wirsitz was formerly part of the German Empire. In the German Empire, the place was called Schönsee, Kr. Wirsitz. The place is now called Jeziorki Kosztowskie and belongs to Poland.