Ober Mühl was formerly part of the German Empire. In the German Empire, the place was called Ober Mühl.
The place is now called Horní Žďár (Jindřichův Hradec-Hor. Ž.) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Obermühl | Austro-Hungary | Neuhaus | before the Treaty of Saint-Germain |
| Horní Žďár | Austro-Hungary | Neuhaus | before the Treaty of Saint-Germain |
| Horní Žďár | Czechoslovakia | Jindřichův Hradec | after the Treaty of Saint-Germain |
| Ober-Mühl | Czechoslovakia | Jindřichův Hradec | after the Treaty of Saint-Germain |
| Ober Mühl | German Empire | Neubistritz | 1938 |
| Horní Žďár | Czechoslovakia | Jindřichův Hradec | 1945 |
| Horní Žďár (Jindřichův Hradec-Hor. Ž.) | Czechoslovakia | Jindřichův Hradec | 1992 |
| Horní Žďár (Jindřichův Hradec-Hor. Ž.) | Czech Republic | Jindřichův Hradec | 1993 |