Merbein is a town in the Rural City of Mildura, Victoria, Australia. It is on the Calder Highway between Mildura and the Murray River crossing …Merbein is a town in the Rural City of Mildura, Victoria, Australia. It is on the Calder Highway between Mildura and the Murray River crossing at the Abbotsford Bridge to Curlwaa. At the 2016 census, the town had a population of 1,981. Merbein is 12 kilometres from Mildura, 553 kilometres from Melbourne and 389 kilometres from Adelaide.