Klíčov was formerly part of the German Empire. In the German Empire, the place was called Klíčov.
The place is now called NN and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klitschau | Austro-Hungary | Taus | before the Treaty of Saint-Germain |
| Klíčov | Austro-Hungary | Taus | before the Treaty of Saint-Germain |
| Kýčov | Austro-Hungary | Taus | before the Treaty of Saint-Germain |
| Klíčov | Czechoslovakia | Domažlice | after the Treaty of Saint-Germain |
| Klitschau | German Empire | Taus | 1939 |
| Klíčov | German Empire | Taus | 1939 |
| Klíčov | Czechoslovakia | Domažlice | 1945 |
| Klíčov | Czechoslovakia | Domažlice | 1992 |
| NN | Czech Republic | Domažlice | 1993 |