Gross-Trebeleu is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Littai/Litija.
Gross-Trebeleu was formerly part of the German Empire. In the German Empire, the place was called Großtrebeleu. The place is now called Veliko Trebeljevo (Ljubljana-V. Treb.) and belongs to Slovenia.