Mrklov was formerly part of the German Empire. In the German Empire, the place was called Mrklow.
The place is now called Mrklov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mrklow | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Markelsdorf | Austro-Hungary | Starkenbach | before the Treaty of Saint-Germain |
| Mrklov | Czechoslovakia | Jilemnice | after the Treaty of Saint-Germain |
| Markelsdorf | German Empire | Hohenelbe | 1938 |
| Mrklow | German Empire | Hohenelbe | 1938 |
| Mrklov | Czechoslovakia | Jilemnice | 1945 |
| Mrklov | Czechoslovakia | Semily | 1992 |
| Mrklov | Czech Republic | Semily | 1993 |