Jablonetz was formerly part of the German Empire. In the German Empire, the place was called Jablonec an der Iser.
The place is now called Jablonec nad Jizerou and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jablonetz | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Jablonec | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Jablonec nad Jizerou | Czechoslovakia | Jilemnice | after the Treaty of Saint-Germain |
| Jablonec an der Iser | Czechoslovakia | Jilemnice | after the Treaty of Saint-Germain |
| Jablonetz | German Empire | Hohenelbe | 1938 |
| Jablonec an der Iser | German Empire | Hohenelbe | 1938 |
| Jablonec nad Jizerou | Czechoslovakia | Jilemnice | 1945 |
| Jablonec nad Jizerou | Czechoslovakia | Semily | 1992 |
| Jablonec nad Jizerou | Czech Republic | Semily | 1993 |