Nieder-Suchau is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Freistadt/Frysztat, Fryštát.
Nieder-Suchau was formerly part of the German Empire. In the German Empire, the place was called Nieder Suchau. The place is now called Suchá (Havířov-Suchá) and belongs to Czech Republic.