Nieder-Klein-Aupa is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Trautenau.
Nieder-Klein-Aupa was formerly part of the German Empire. In the German Empire, the place was called Nieder Kleinaupa. The place is now called -Dolní Malá Úpa (Malá Úpa-) and belongs to Czech Republic.