Sveti Janž na Vinski Gori is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Windischgraz/Slovenji Gradec.
Sveti Janž na Vinski Gori was formerly part of the German Empire. In the German Empire, the place was called Johanni am Weinberge. The place is now called Vinska Gora and belongs to Slovenia.