Falknov nad Ohří was formerly part of the German Empire. In the German Empire, the place was called Falkenau an der Eger.
The place is now called Sokolov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Falkenau | Austro-Hungary | Falkenau a. d. Eger | before the Treaty of Saint-Germain |
| Falknov | Austro-Hungary | Falkenau a. d. Eger | before the Treaty of Saint-Germain |
| Falknov nad Ohří | Czechoslovakia | Falknov nad Ohří | after the Treaty of Saint-Germain |
| Falkenau an der Eger | Czechoslovakia | Falknov nad Ohří | after the Treaty of Saint-Germain |
| Falkenau an der Eger | German Empire | Falkenau a. d. Eger | 1938 |
| Sokolov | Czechoslovakia | Sokolov nad Ohří | 1945 |
| Sokolov | Czechoslovakia | Sokolov | 1992 |
| Sokolov | Czech Republic | Sokolov | 1993 |