Ostrzyce was formerly part of the German Empire. In the German Empire, the place was called Ostritz.
The place is now called Ostrzyce and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ostritz | German Empire | Züllichau-Schwiebus | 1939 |
| Ostrzyce | Under Polish administration | Sulechów | 1945 |
| Ostrzyce | Poland | Zielona Góra | 1992 |