Birkberg, Arbeiterhäuser was formerly part of the German Empire. In the German Empire, the place was called Birkberg, Arbeiterhäuser.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Birkberg, Arbeiterhäuser | German Empire | Sprottau | 1939 |
| NN | Under Polish administration | Żagań | 1945 |
| NN | Poland | Zielona Góra | 1992 |