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Ostróg

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

Historical place name Country Administration Time
Bollwerk German Empire Elbing before the Versailles Treaty
Bollwerk German Empire Elbing, Land after the Versailles Treaty
Bollwerk German Empire Elbing 1939
Bollwerk German Empire Elbing 1939
Ostróg Under Polish administration Elbląg 1945
Ostróg Poland Elbląg 1992