Ostróg (Racibórz-Ostróg) was formerly part of the German Empire. In the German Empire, the place was called Ratibor-Nord.
The place is now called Ostróg (Racibórz-Ostróg) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ostrog | German Empire | Ratibor (St.Kr.) | 1936 |
| Proschowitz | German Empire | Ratibor (St.Kr.) | 1936 |
| Bosatz | German Empire | Ratibor (St.Kr.) | 1936 |
| Ratibor-Nord | German Empire | Ratibor (St.Kr.) | 1939 |
| Ostróg (Racibórz-Ostróg) | Under Polish administration | Racibórz m. | 1945 |
| Proszowice (Racibórz-Proszowice) | Under Polish administration | Racibórz m. | 1945 |
| Ostróg (Racibórz-Ostróg) | Poland | Katowice | 1992 |