Grudzia (Kostrzyn-Grudzia) was formerly part of the German Empire. In the German Empire, the place was called Gernheim.
The place is now called Grudzia (Kostrzyn-Grudzia) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gernheim | German Empire | Landsberg (Warthe) | 1939 |
| Grudzia | Under Polish administration | Gorzów Wielkopolski | 1945 |
| Grudzia (Kostrzyn-Grudzia) | Poland | Gorzów | 1992 |