Prostřední Grunt is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Tetschen.
Prostřední Grunt was formerly part of the German Empire. In the German Empire, the place was called Mittel Grund. The place is now called Prostřední Žleb (Děčín-Prostř. Žleb) and belongs to Czech Republic.