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Osiniak-Piotrowo

Osiniak-Piotrowo is a place, that 1945 belonged to Under Polish administration and was situated in the administrative region Mrągowo.
Osiniak-Piotrowo was formerly part of the German Empire. In the German Empire, the place was called Fedorwalde-Peterhain. The place is now called Osiniak-Piotrowo and belongs to Poland.