Ober-Mühl is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Jindřichův Hradec.
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.