The Mallee is a sub-region of Loddon Mallee covering the most north-westerly part of Victoria, Australia and is bounded by the South Australian and New South Wales borders. Definitions of the south-eastern boundary vary, however, all are based on the historic Victorian distribution of mallee eucalypts. These trees dominate the surviving vegetation through most of Mallee,. Its biggest settlements are Mildura and Swan Hill.

The Loddon Mallee is an economic rural region located in the north-western part of Victoria, Australia. Occupying more than a quarter of the state, it stretches from Greater Melbourne to the northernmost point of Victoria, sharing a border with South Australia and New South Wales, and has one of the most consistently warm climates in Victoria. It has two major regional cities Bendigo and Mildura and also contains the major settlements of Castlemaine, Echuca, Gisborne, Kerang, Kyneton, Maryborough, Swan Hill, Wedderburn and Wycheproof.