Voigtsgrün was formerly part of the German Empire. In the German Empire, the place was called Voigtsgrün.
The place is now called Fojtov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Voigtsgrün | Austro-Hungary | Neudek | before the Treaty of Saint-Germain |
| Fojtov | Czechoslovakia | Nejdek | after the Treaty of Saint-Germain |
| Voigtsgrün | Czechoslovakia | Nejdek | after the Treaty of Saint-Germain |
| Voigtsgrün | German Empire | Neudek | 1938 |
| Fojtov | Czechoslovakia | Karlovy Vary | 1945 |
| Fojtov | Czechoslovakia | Karlovy Vary | 1992 |
| Fojtov | Czech Republic | Karlovy Vary | 1993 |