Mašťov was formerly part of the German Empire. In the German Empire, the place was called Maschau.
The place is now called Mašťov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Maschau | Austro-Hungary | Podersam | before the Treaty of Saint-Germain |
| Mašťov | Austro-Hungary | Podersam | before the Treaty of Saint-Germain |
| Mašťov | Czechoslovakia | Podbořany | after the Treaty of Saint-Germain |
| Maschau | Czechoslovakia | Podbořany | after the Treaty of Saint-Germain |
| Maschau | German Empire | Podersam | 1938 |
| Mašťov | Czechoslovakia | Podbořany | 1945 |
| Mašťov | Czechoslovakia | Chomutov | 1992 |
| Mašťov | Czech Republic | Chomutov | 1993 |