Karlswald was formerly part of the German Empire. In the German Empire, the place was called Karlswald.
The place is now called Karlov pod Ještědem (Liberec-Karlov) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Karlswald | Austro-Hungary | Reichenberg | before the Treaty of Saint-Germain |
| Karlov pod Ještědem | Czechoslovakia | Liberec (venkov) | after the Treaty of Saint-Germain |
| Karlswald | Czechoslovakia | Liberec (venkov) | after the Treaty of Saint-Germain |
| Karlswald | German Empire | Reichenberg | 1938 |
| Karlov pod Ještědem | Czechoslovakia | Liberec | 1945 |
| Karlov pod Ještědem (Liberec-Karlov) | Czechoslovakia | Liberec | 1992 |
| Karlov pod Ještědem (Liberec-Karlov) | Czech Republic | Liberec | 1993 |