Drmoul was formerly part of the German Empire. In the German Empire, the place was called Dürrmaul.
The place is now called Drmoul and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Dürrmaul | Austro-Hungary | Plan | before the Treaty of Saint-Germain |
| Drmoul | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Dürrmaul | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Dürrmaul | German Empire | Marienbad | 1938 |
| Drmoul | Czechoslovakia | Mariánské Lázně | 1945 |
| Drmoul | Czechoslovakia | Cheb | 1992 |
| Drmoul | Czech Republic | Cheb | 1993 |