Mörkau was formerly part of the German Empire. In the German Empire, the place was called Mörkau.
The place is now called Mírkov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mörkau | Austro-Hungary | Aussig | before the Treaty of Saint-Germain |
| Mírkov | Austro-Hungary | Aussig | before the Treaty of Saint-Germain |
| Mírkov | Czechoslovakia | Ústí nad Labem | after the Treaty of Saint-Germain |
| Mörkau | Czechoslovakia | Ústí nad Labem | after the Treaty of Saint-Germain |
| Mörkau | German Empire | Aussig | 1938 |
| Mírkov | Czechoslovakia | Ústí nad Labem | 1945 |
| Mírkov | Czechoslovakia | Ústí nad Labem | 1992 |
| Mírkov | Czech Republic | Ústí nad Labem | 1993 |