Tarnów Opolski was formerly part of the German Empire. In the German Empire, the place was called Tarnau.
The place is now called Tarnów Opolski and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Tarnau | German Empire | Oppeln | 1939 |
| Tarnów Opolski | Under Polish administration | Opole | 1945 |
| Tarnów Opolski | Poland | Opole | 1992 |