Heiligen Dreifaltigkeit in Windischb. is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Marburg/Maribor.
Heiligen Dreifaltigkeit in Windischb. was formerly part of the German Empire. In the German Empire, the place was called Burgstall in den Büheln. The place is now called Sveta Trojica and belongs to Slovenia.