Vacov was formerly part of the German Empire. In the German Empire, the place was called Vacov.
The place is now called Vacov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Watzau | Austro-Hungary | Strakonitz | before the Treaty of Saint-Germain |
| Vacov | Austro-Hungary | Strakonitz | before the Treaty of Saint-Germain |
| Vacov | Czechoslovakia | Strakonice | after the Treaty of Saint-Germain |
| Watzau | German Empire | Strakonitz | 1939 |
| Vacov | German Empire | Strakonitz | 1939 |
| Vacov | Czechoslovakia | Vimperk | 1945 |
| Vacov | Czechoslovakia | Prachatice | 1992 |
| Vacov | Czech Republic | Prachatice | 1993 |