The Division of Mallee is an Australian Electoral Division in the state of Victoria. It is located in the far north-west of the state, adjoining the border with South Australia in the west, and the Murray River (which forms the border with New South Wales) in the north. At 83,412 sq km, it is the largest Division in Victoria. It includes the centres of Mildura, Ouyen, Robinvale, Swan Hill, Maryborough, St Arnaud, Warracknabeal, Stawell and Horsham.