Kádov was formerly part of the German Empire. In the German Empire, the place was called Kadov.
The place is now called Kadov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kadow | Austro-Hungary | Blatna | before the Treaty of Saint-Germain |
| Kádov | Austro-Hungary | Blatna | before the Treaty of Saint-Germain |
| Kadov | Czechoslovakia | Blatná | after the Treaty of Saint-Germain |
| Kadau | German Empire | Blatna | 1939 |
| Kadov | German Empire | Blatna | 1939 |
| Kadov | Czechoslovakia | Blatná | 1945 |
| Kadov | Czechoslovakia | Strakonice | 1992 |
| Kadov | Czech Republic | Strakonice | 1993 |