Grundmühlen was formerly part of the German Empire. In the German Empire, the place was called Grundmühlen.
The place is now called Mlýny and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Grundmühlen | Austro-Hungary | Teplitz-Schönau | before the Treaty of Saint-Germain |
| Grundmühlen | Czechoslovakia | Teplice-Šanov | after the Treaty of Saint-Germain |
| Grundmühlen | German Empire | Teplitz-Schönau | 1938 |
| Mlýny | Czechoslovakia | Teplice | 1945 |
| Mlýny | Czechoslovakia | Teplice | 1992 |
| Mlýny | Czech Republic | Teplice | 1993 |