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