Ostrowiec was formerly part of the German Empire. In the German Empire, the place was called Wusterwitz.
The place is now called Ostrowiec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wusterwitz | German Empire | Soldin | 1939 |
| Ostrowiec | Under Polish administration | Myślibórz | 1945 |
| Ostrowiec | Poland | Gorzów | 1992 |