Nikelsdorf is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Bielitz/Bielsko.
Nikelsdorf was formerly part of the German Empire. In the German Empire, the place was called Nikelsdorf-West. The place is now called Mikuszowice Śl. (Bielsko-B.-Mik. Śl.) and belongs to Poland.