Peršlák was formerly part of the German Empire. In the German Empire, the place was called Böhmisch Bernschlag.
The place is now called Nový Vojířov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Böhmisch Bernschlag | Austro-Hungary | Neuhaus | before the Treaty of Saint-Germain |
| Český Bernschlag | Austro-Hungary | Neuhaus | before the Treaty of Saint-Germain |
| Peršlák | Czechoslovakia | Jindřichův Hradec | after the Treaty of Saint-Germain |
| Böhmisch Bernschlag | Czechoslovakia | Jindřichův Hradec | after the Treaty of Saint-Germain |
| Böhmisch Bernschlag | German Empire | Neubistritz | 1938 |
| Peršlák | Czechoslovakia | Jindřichův Hradec | 1945 |
| Nový Vojířov | Czechoslovakia | Jindřichův Hradec | 1945 |
| Nový Vojířov | Czechoslovakia | Jindřichův Hradec | 1992 |
| Nový Vojířov | Czech Republic | Jindřichův Hradec | 1993 |