Zielony Ostrów was formerly part of the German Empire. In the German Empire, the place was called Bergenthal.
The place is now called Zielony Ostrów and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Bergenthal | German Empire | Gerdauen | 1939 |
Zielony Ostrów | Under Polish administration | Kętrzyn | 1945 |
Zielony Ostrów | Poland | Suwałki | 1992 |