Krasnołęg was formerly part of the German Empire. In the German Empire, the place was called Beaulieu.
The place is now called Krasnołęg and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Beaulieu | German Empire | Oststernberg | 1939 |
| Krasnołęg | Under Polish administration | Sulęcin | 1945 |
| Krasnołęg | Poland | Gorzów | 1992 |