Płonne was formerly part of the German Empire. In the German Empire, the place was called Austendorf.
The place is now called Płonne and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Plonne | Russian Empire | Rypin | 1914 |
| Płonne | Poland | Rypin | after the Versailles Treaty |
| Austendorf | German Empire | Rippin (Westpr.) | 1939 |
| Płonne | Poland | Golub-Dobrzyń | 1945 |
| Płonne | Poland | Toruń | 1992 |