Uniegoszcz was formerly part of the German Empire. In the German Empire, the place was called Bertelsdorf.
The place is now called Uniegoszcz and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt-Bertelsdorf | German Empire | Lauban | 1914 |
| Bertelsdorf | German Empire | Lauban | 1939 |
| Uniegoszcz | Under Polish administration | Lubań | 1945 |
| Uniegoszcz | Poland | Jelenia Góra | 1992 |