Blachownia Śląska was formerly part of the German Empire. In the German Empire, the place was called Blechhammer.
The place is now called Blachownia Śląska and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Medar-Blechhammer | German Empire | Cosel | 1936 |
| Blechhammer | German Empire | Cosel | 1939 |
| Blachownia Śląska | Under Polish administration | Koźle | 1945 |
| Blachownia Śląska | Poland | Opole | 1992 |