Jelonek was formerly part of the German Empire. In the German Empire, the place was called Grünheide.
The place is now called Jelonek and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Grünheyde | German Empire | Treuburg | 1938 |
Grünheide | German Empire | Treuburg | 1939 |
Jelonek | Under Polish administration | Olecko | 1945 |
Jelonek | Poland | Suwałki | 1992 |