Olschöwen was formerly part of the German Empire. In the German Empire, the place was called Erlental.
The place is now called Olszewo and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Olschöwen | German Empire | Treuburg | 1933 |
Erlental | German Empire | Treuburg | 1939 |
Olszewo | Under Polish administration | Olsztyn | 1945 |
Olszewo | Poland | Suwałki | 1992 |