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