Plönzig was formerly part of the German Empire. In the German Empire, the place was called Plönzig.
The place is now called Płońsko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Plönzig | German Empire | Pyritz | 1939 |
| Płońsko | Under Polish administration | Pyrzyce | 1945 |
| Płońsko | Poland | Szczecin | 1992 |