Komárov was formerly part of the German Empire. In the German Empire, the place was called Kumerau.
The place is now called Komárov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kumerau | Austro-Hungary | Luditz | before the Treaty of Saint-Germain |
| Komárov | Austro-Hungary | Luditz | before the Treaty of Saint-Germain |
| Komárov | Czechoslovakia | Žlutice | after the Treaty of Saint-Germain |
| Kumerau | Czechoslovakia | Žlutice | after the Treaty of Saint-Germain |
| Kumerau | German Empire | Luditz | 1938 |
| Komárov | Czechoslovakia | Toužim | 1945 |
| Komárov | Czechoslovakia | Karlovy Vary | 1992 |
| Komárov | Czech Republic | Karlovy Vary | 1993 |