Jamnica was formerly part of the German Empire. In the German Empire, the place was called Neißebrück.
The place is now called Jamnica and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neißebrück | German Empire | Rothenburg (Ob. Lausitz) | 1939 |
| Jamnica | Under Polish administration | Żary | 1945 |
| Jamnica | Poland | Zielona Góra | 1992 |