Sydney (/ ˈ s ɪ d n i / SID-nee; Dharug: Gadi; Greater Sydney, Dharug: Eora) is the capital city of the state of New South Wales, and the most populous city in Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Port Jackson and extends about 70 km (43.5 mi) on its periphery towards the Blue Mountains to the west, Hawkesbury to the north, the Royal …

The Sydney central business district (CBD) is the historical and main commercial centre of Sydney.The Sydney CBD is Sydney's city centre, or Sydney City, and the two terms are used interchangeably.The CBD or city centre is often referred to simply as "Town" or "the City".The Sydney city centre extends southwards for about 3 km (2 mi) from Sydney Cove, the point of …