Gąsawy was formerly part of the German Empire. In the German Empire, the place was called Ilsenau.
The place is now called Gąsawy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gonsawy | German Empire | Samter | before the Versailles Treaty |
| Gąsawy | Poland | Szamotuły | after the Versailles Treaty |
| Ilsenau | German Empire | Samter | 1939 |
| Gąsawy | Poland | Szamotuły | 1945 |
| Gąsawy | Poland | Poznań | 1992 |