Melbourne is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in Australia, after Sydney. Its name generally refers to a 9,993 km
2 (3,858 sq mi) metropolitan area also known as
Greater Melbourne, comprising an urban agglomeration of 31 local municipalities, although the name is also used specifically for the local municipality of City of Melbourne based around its central business area. The metropolis occupies much of the northern and eastern coastlines of Port Phillip Bay and spreads into the Mornington Peninsula, part of West Gippsland, as well as the hinterlands towards the Yarra Valley, the Dandenong Ranges, and the Macedon Ranges. As of 2023, the population of the metropolitan area was 5.2 million ; inhabitants are referred to as "Melburnians".