Almost 30% of the region retains remnants of its locally indigenous vegetation, including important areas of grasslands seldom found elsewhere. The region’s system of approximately 8,400 km of waterways and water storage provides drinking water for three quarters of Victoria's population.Īround 50% of the region is rural farmland and 18% urban with major rural industries including horticulture, dairying, poultry farming, beef farming and viticulture producing a gross value in excess of one billion dollars per year.
The major river catchments are the Werribee, Maribyrnong, Yarra, Lang Lang and Bass Rivers, all with their origins in the uplifted hills in the northern or eastern parts of the region. It encompasses the densely populated and urbanised State capital, Melbourne and its suburbs, growth centres on the urban fringe and rich rural land and natural parklands. The region is Victoria’s most diverse and complex by virtue of its location, geography and demography. It also includes both Phillip and French islands. It is extends southwest almost to Geelong, west through Gisborne almost to Daylesford, north almost to Kilmore, east to Drouin and southeast to Korumburra. The Port Phillip and Westernport CMA Region covers almost 12,800 km 2 representing about 5.6% of Victoria’s total area.