As defined in the Acts Interpretation Act 1931:
Northern region — the city of Launceston and the municipal areas of Break O’Day, Dorset, Flinders, George Town, Meander Valley, Northern Midlands and West Tamar.
North-western region — the cities of Burnie and Devonport and the municipal areas of Central Coast, Circular Head, Kentish, King Island, Latrobe, Waratah-Wynyard and West Coast.
Southern region — the cities of Hobart, Clarence and Glenorchy and the municipal areas of Brighton, Central Highlands, Glamorgan-Spring Bay, Huon Valley, Kingborough, New Norfolk, Sorell, Southern Midlands and Tasman.