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