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