Chlum was formerly part of the German Empire. In the German Empire, the place was called Chlum.
The place is now called Chlum and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Chlum | Austro-Hungary | Časlau | before the Treaty of Saint-Germain |
| Chlum | Czechoslovakia | Čáslav | after the Treaty of Saint-Germain |
| Chlum | German Empire | Tschaslau | 1939 |
| Chlum | Czechoslovakia | Čáslav | 1945 |
| Chlum | Czechoslovakia | Střední Čechy | 1992 |