Sanct Martin unterm Gross Kahlenberg is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Laibach/Ljubljana.
Sanct Martin unterm Gross Kahlenberg was formerly part of the German Empire. In the German Empire, the place was called Sankt Martin am Großkahlenberg. The place is now called Šmartno (Ljubljana-Šmartno) and belongs to Slovenia.