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