Rosswein is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Marburg/Maribor.
Rosswein was formerly part of the German Empire. In the German Empire, the place was called Roßwein (Marburg a. d. D.-Roßwein). The place is now called Razvanje (Maribor-Razvanje) and belongs to Slovenia.