Tschiaschel was formerly part of the German Empire. In the German Empire, the place was called Tschiaschel.
The place is now called Čáslav and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Tschiaschel | Austro-Hungary | Tetschen | before the Treaty of Saint-Germain |
| Čáše | Austro-Hungary | Tetschen | before the Treaty of Saint-Germain |
| Čeržel | Austro-Hungary | Tetschen | before the Treaty of Saint-Germain |
| Čáslav | Czechoslovakia | Děčín | after the Treaty of Saint-Germain |
| Tschiaschel | Czechoslovakia | Děčín | after the Treaty of Saint-Germain |
| Tschiaschel | German Empire | Tetschen | 1938 |
| Čáslav | Czechoslovakia | Děčín | 1945 |
| Čáslav | Czechoslovakia | Děčín | 1992 |
| Čáslav | Czech Republic | Děčín | 1993 |