Łęga was formerly part of the German Empire. In the German Empire, the place was called Lengen.
The place is now called Łęga and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lenga | German Empire | Briesen | before the Versailles Treaty |
| Łęga | Poland | Wąbrzeźno | after the Versailles Treaty |
| Lengen | German Empire | Briesen (Westpr.) | 1939 |
| Łęga | Poland | Golub-Dobrzyń | 1945 |
| Łęga | Poland | Toruń | 1992 |