Grotnik was formerly part of the German Empire. In the German Empire, the place was called Pfeilsdorf.
The place is now called Grotniki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Grotnik | German Empire | Fraustadt | before the Versailles Treaty |
| Grotniki | Poland | Leszno | after the Versailles Treaty |
| Pfeilsdorf | German Empire | Lissa (Wartheland) | 1939 |
| Grotniki Duże | Poland | Leszno | 1945 |
| Grotniki | Poland | Leszno | 1992 |