Jablonitz was formerly part of the German Empire. In the German Empire, the place was called Jablonitz.
The place is now called Jablonec and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jablonitz | Austro-Hungary | Dux | before the Treaty of Saint-Germain |
| Jablonec | Austro-Hungary | Dux | before the Treaty of Saint-Germain |
| Jablonec | Czechoslovakia | Duchcov | after the Treaty of Saint-Germain |
| Jablonitz | Czechoslovakia | Duchcov | after the Treaty of Saint-Germain |
| Jablonitz | German Empire | Bilin | 1938 |
| Jablonec | Czechoslovakia | Bílina | 1945 |
| Jablonec | Czechoslovakia | Louny | 1992 |
| Jablonec | Czech Republic | Louny | 1993 |