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