Hron is a red Slovak wine grape variety that is a crossing of the Southwest France wine grapes Abouriou and Castets. The variety was created in 1976 at the VSSVVM Research and Breeding Station for Enology and Viticulture in Modra. The grape was named after the Hron river, a tributary of the Danube that is the second longest river in Slovakia. Along with Nitranka, Rimava and Váh, which were created using the same parent varieties, Hron was officially authorized for commercial wine production in 2011.[1]