Alt Neu Heidau was formerly part of the German Empire. In the German Empire, the place was called Alt Neu Heidau.
The place is now called Stara Płonka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt Neu Heidau | German Empire | Guhrau | 1939 |
| Stara Płonka | Under Polish administration | Góra | 1945 |
| Stara Płonka | Poland | Leszno | 1992 |