Polne was formerly part of the German Empire. In the German Empire, the place was called Pensylvanien.
The place is now called Polne and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pensylvanien | German Empire | Oststernberg | 1939 |
| Polne | Under Polish administration | Sulęcin | 1945 |
| Polne | Poland | Gorzów | 1992 |