Drzeniówek was formerly part of the German Empire. In the German Empire, the place was called Grunewald.
The place is now called Drzeniówek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Grunewald | German Empire | Crossen (Oder) | 1939 |
| Drzeniówek | Under Polish administration | Krosno Odrzańskie | 1945 |
| Drzeniówek | Poland | Zielona Góra | 1992 |