Ziemnice Nowe was formerly part of the German Empire. In the German Empire, the place was called Seehofen.
The place is now called Ziemnice and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ziemnice | German Empire | Kosten | before the Versailles Treaty |
| Ziemnice Nowe | Poland | Leszno | after the Versailles Treaty |
| Ziemnice Stare | Poland | Leszno | after the Versailles Treaty |
| Seehofen | German Empire | Lissa (Wartheland) | 1939 |
| Ziemnice | Poland | Leszno | 1945 |
| Ziemnice | Poland | Leszno | 1992 |