Prostřední Grunt is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Děčín.
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.