Southern Australia Southern Australia The term Southern Australia is generally considered to include the states and territories of Australia of New South Wales, Victoria, Tasmania, the Australian Capital Territory and South Australia. The part of Western Australia south of latitude 26° south – a definition widely used in law and state government policy – is also usually included. Although it comprises about half of the total area of Australia, Southern Australia includes about three-quarters of the Australian population, the two largest cities (Sydney and Melbourne), the political capital (Canberra), the main food growing areas and the main industrial centres. The area is
Victoria (Australia) by international investment; attracted to the state by the availability of cheap land close to the city and inexpensive energy from the Latrobe Valley. Victoria produced 26.4% of total manufacturing output in Australia in 2015–16, behind New South Wales at 32.4%. Machinery and equipment manufacturing is the state's most valuable manufacturing activity, followed by food and beverage products, petrochemicals and chemicals. Prominent manufacturing plants in the state include the Portland and Point Henry aluminium smelters, owned by Alcoa; oil refineries at Geelong and Altona; a major petrochemical facility at Laverton; and Victorian-based CSL, a global biotechnology company that produces vaccines