Komárov was formerly part of the German Empire. In the German Empire, the place was called Komorau.
The place is now called Komárov (Opava-Komárov) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Komorau | Austro-Hungary | Troppau | before the Treaty of Saint-Germain |
| Komárov | Austro-Hungary | Troppau | before the Treaty of Saint-Germain |
| Komárov | Czechoslovakia | Opava | after the Treaty of Saint-Germain |
| Komorau | German Empire | Troppau | 1938 |
| Komárov | Czechoslovakia | Opava | 1945 |
| Komárov (Opava-Komárov) | Czechoslovakia | Opava | 1992 |
| Komárov (Opava-Komárov) | Czech Republic | Opava | 1993 |