Olecko was formerly part of the German Empire. In the German Empire, the place was called Treuburg.
The place is now called Olecko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Marggrabowa | German Empire | Treuburg | 1928 |
| Treuburg | German Empire | Treuburg | 1939 |
| Olecko | Under Polish administration | Olecko | 1945 |
| Olecko | Poland | Suwałki | 1992 |