Dolní Cazov was formerly part of the German Empire. In the German Empire, the place was called Unter Zassau.
The place is now abandoned and the area belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unter-Zassau | Austro-Hungary | Prachatitz | before the Treaty of Saint-Germain |
| Dolní Zasov | Austro-Hungary | Prachatitz | before the Treaty of Saint-Germain |
| Dolní Cazov | Czechoslovakia | Prachatice | after the Treaty of Saint-Germain |
| Unter-Zassau | Czechoslovakia | Prachatice | after the Treaty of Saint-Germain |
| Unter Zassau | German Empire | Prachatitz | 1938 |
| Dolní Cazov | Czechoslovakia | Vimperk | 1945 |
| - aufgelassen - | Czechoslovakia | Prachatice | 1992 |
| - aufgelassen - | Czech Republic | Prachatice | 1993 |