Polanowice was formerly part of the German Empire. In the German Empire, the place was called Waltersmark.
The place is now called Polanowice and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Polanowitz | German Empire | Strelno | before the Versailles Treaty |
| Polanowice | Poland | Mogilno | after the Versailles Treaty |
| Polanowitz | German Empire | Hohensalza | 1939 |
| Waltersmark | German Empire | Hohensalza | 1939 |
| Polanowice | Poland | Inowrocław | 1945 |
| Polanowice | Poland | Bydgoszcz | 1992 |