Wąsowo was formerly part of the German Empire. In the German Empire, the place was called Hardtshufen.
The place is now called Wąsowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wonsowo | German Empire | Neutomischel | before the Versailles Treaty |
| Wąsowo | Poland | Nowy Tomyśl | after the Versailles Treaty |
| Wonsowo | German Empire | Grätz (Wartheland) | 1939 |
| Hardt | German Empire | Grätz (Wartheland) | 1939 |
| Hardtshufen | German Empire | Grätz (Wartheland) | 1939 |
| Wąsowo | Poland | Nowy Tomyśl | 1945 |
| Wąsowo | Poland | Poznań | 1992 |