Nieder-Kleinaupa is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Trutnov.
Nieder-Kleinaupa 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.