Mittel-Grund is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Tetschen.
Mittel-Grund 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.