Prorub is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Reichenau a. d. Knieschna.
Prorub was formerly part of the German Empire. In the German Empire, the place was called Proruby. The place is now called -Proruby (Lhoty u Potštejna-) and belongs to Czechoslovakia.