NN (Zádub-Závišín) is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Marienbad.
NN (Zádub-Závišín) was formerly part of the German Empire. In the German Empire, the place was called NN. The place is now called Zádub-Závišín and belongs to Czech Republic.