Ostrawa was formerly part of the German Empire. In the German Empire, the place was called Wallheim.
The place is now called Ostrawa and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ostrawe | German Empire | Guhrau | 1936 |
| Wallheim | German Empire | Guhrau | 1939 |
| Ostrawa | Under Polish administration | Góra | 1945 |
| Ostrawa | Poland | Leszno | 1992 |