is the capital and most-populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a 9,993 km2
(3,858 sq mi) metropolitan area 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 city occupies much of the northern and eastern coastlines of Port Phillip Bay and spreads into the Mornington Peninsula, West Gippsland, as well as the hinterlands towards the Yarra Valley, the Dandenong and Macedon Ranges. It has a population over 5 million, mostly residing to the east side of the city centre, and its inhabitants are commonly referred to as "Melburnians".