Josefsthal was formerly part of the German Empire. In the German Empire, the place was called Josefsthal.
The place is now called Josefův Důl and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Josefsthal | Austro-Hungary | Gablonz a. d. Neiße | before the Treaty of Saint-Germain |
| Josefodol | Austro-Hungary | Gablonz a. d. Neiße | before the Treaty of Saint-Germain |
| Josefodol | Czechoslovakia | Jablonec nad Nisou | after the Treaty of Saint-Germain |
| Josefsthal | Czechoslovakia | Jablonec nad Nisou | after the Treaty of Saint-Germain |
| Josefsthal | German Empire | Gablonz a. d. Neiße | 1938 |
| Josefodol | Czechoslovakia | Jablonec nad Nisou | 1945 |
| Josefův Důl | Czechoslovakia | Jablonec nad Nisou | 1945 |
| Josefův Důl | Czechoslovakia | Jablonec nad Nisou | 1992 |
| Josefův Důl | Czech Republic | Jablonec nad Nisou | 1993 |