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Osa

Osa was formerly part of the German Empire. In the German Empire, the place was called Schwanhof.
The place is now called Osa and belongs to Poland.

Historical place name Country Administration Time
Ossa German Empire Sensburg 1930
Schwanhof German Empire Sensburg 1939
NN Under Polish administration Mrągowo 1945
Osa Poland Suwałki 1992