Nowe Gronowo was formerly part of the German Empire. In the German Empire, the place was called Neu Grunau.
The place is now called Nowe Gronowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neu-Grunau | German Empire | Flatow | before the Versailles Treaty |
| Neu Grunau | German Empire | Flatow | after the Versailles Treaty |
| Neu Grunau | German Empire | Flatow | 1939 |
| Nowe Gronowo | Under Polish administration | Złotów | 1945 |
| Nowe Gronowo | Poland | Słupsk | 1992 |