Kounov was formerly part of the German Empire. In the German Empire, the place was called Kaunowa.
The place is now called Kounov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kaunowa | Austro-Hungary | Saaz | before the Treaty of Saint-Germain |
| Kounov | Austro-Hungary | Saaz | before the Treaty of Saint-Germain |
| Kounov | Czechoslovakia | Žatec | after the Treaty of Saint-Germain |
| Kaunowa | Czechoslovakia | Žatec | after the Treaty of Saint-Germain |
| Kaunowa | German Empire | Saaz | 1938 |
| Kounov | Czechoslovakia | Žatec | 1945 |
| Kounov | Czechoslovakia | Rakovník | 1992 |
| Kounov | Czech Republic | Rakovník | 1993 |