As opposed to calling their center cities downtown, Aussies refer to them as the Central Business District. Melbourne’s rectangular CBD is very compact and a walkable 2.4 square miles. Both the east and west sections defined by Swanston Street are encircled by parks. Most of Melbourne’s 42 skyscrapers over 490 feet and five of Australia’s tallest structures are huddled in this area. The Yarra River creates CBD’s southern border during its 150 mile flow.
