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