 The Riverina region is one of the most prosperous grape growing regions in Australia ( particularly in Griffith ) , along with the Barossa Valley in South Australia . The region grows 55 % of wine grapes in New South Wales and 15 % of the total grape production within Australia and 80 % of wine / grape production of New South Wales ; the region is Australia 's largest producer of wine . Over 50 % of the Riverina 's wine production is exported . As a producer of specialist wine grapes , its wine style of international importance is <unk> <unk> and the outstanding speciality made from these grapes is a " <unk> @-@ style " dessert wine . 
