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