Klum was formerly part of the German Empire. In the German Empire, the place was called Klum.
The place is now called Chlum and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klum | Austro-Hungary | Luditz | before the Treaty of Saint-Germain |
| Chlum | Austro-Hungary | Luditz | before the Treaty of Saint-Germain |
| Chlum | Czechoslovakia | Žlutice | after the Treaty of Saint-Germain |
| Klum | Czechoslovakia | Žlutice | after the Treaty of Saint-Germain |
| Klum | German Empire | Luditz | 1938 |
| Chlum | Czechoslovakia | Toužim | 1945 |
| Chlum | Czechoslovakia | Karlovy Vary | 1992 |
| Chlum | Czech Republic | Karlovy Vary | 1993 |