Althart was formerly part of the German Empire. In the German Empire, the place was called Alt Hart.
The place is now called Staré Hobzí and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Althart | Austro-Hungary | Mährisch Budwitz | before the Treaty of Saint-Germain |
| Staré Hobzí | Austro-Hungary | Mährisch Budwitz | before the Treaty of Saint-Germain |
| Staré Hobzí | Czechoslovakia | Dačice | after the Treaty of Saint-Germain |
| Alt-Hart | Czechoslovakia | Dačice | after the Treaty of Saint-Germain |
| Alt Hart | German Empire | Waidhofen an der Thaya | 1938 |
| Staré Hobzí | Czechoslovakia | Dačice | 1945 |
| Staré Hobzí | Czechoslovakia | Jindřichův Hradec | 1992 |
| Staré Hobzí | Czech Republic | Jindřichův Hradec | 1993 |