Tarnówek was formerly part of the German Empire. In the German Empire, the place was called Dornbusch.
The place is now called Tarnówek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Tarnau b. Kummernick | German Empire | Glogau | 1937 |
| Dornbusch | German Empire | Glogau | 1939 |
| Tarnówek | Under Polish administration | Głogów | 1945 |
| Tarnówek | Poland | Legnica | 1992 |