Słupowo was formerly part of the German Empire. In the German Empire, the place was called Schlaufensee.
The place is now called Prosperowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Slupowo | German Empire | Bromberg | before the Versailles Treaty |
| Prosperowo | German Empire | Bromberg | before the Versailles Treaty |
| Słupowo | Poland | Bydgoszcz | after the Versailles Treaty |
| Prosperowo | Poland | Bydgoszcz | after the Versailles Treaty |
| Schlaufensee | German Empire | Bromberg | 1939 |
| Słupowo | Poland | Bydgoszcz | 1945 |
| Prosperowo | Poland | Bydgoszcz | 1945 |
| Słupowo | Poland | Bydgoszcz | 1992 |
| Prosperowo | Poland | Bydgoszcz | 1992 |