Melbourne is the second most populous city in Australia, with a metropolitan area population of approximately 3.8 million (2007 estimate). Located around Port Phillip Bay in Australia's south-east, Melbourne is the state capital of Victoria.
Melbourne is a major centre of commerce, industry and cultural activity. The city is often referred to as Australia's 'sporting and cultural capital' and it is home to many of the nation's most significant cultural and sporting events and institutions. It has been recognised as a gamma world city by the Loughborough University group's 1999 inventory.
Melbourne is notable for its mix of Victorian and contemporary architecture, its extensive tram network and Victorian parks and gardens, as well as its diverse, multicultural society. It was the host city of the 1956 Summer Olympics and the 2006 Commonwealth Games. In 1981, it hosted the Commonwealth Heads of Government Meeting. In 2006, the city hosted the G20 Summit, in which the leaders of the world's nineteen largest economies met.