Tvrdoslav was formerly part of the German Empire. In the German Empire, the place was called Tvrdoslav.
The place is now called Tvrdoslav and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Droslau | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Tvrdoslav | Austro-Hungary | Klattau | before the Treaty of Saint-Germain |
| Tvrdoslav | Czechoslovakia | Klatovy | after the Treaty of Saint-Germain |
| Droslau | German Empire | Klattau | 1939 |
| Tvrdoslav | German Empire | Klattau | 1939 |
| Tvrdoslav | Czechoslovakia | Sušice | 1945 |
| Tvrdoslav | Czechoslovakia | Klatovy | 1992 |
| Tvrdoslav | Czech Republic | Klatovy | 1993 |