Australia thumb|The Sydney central business district in Sydney's western suburbs Large cities like Sydney and Melbourne had streetcar suburbs in the tram era. With the automobile, the Australian usage came about as outer areas were quickly surrounded in fast-growing cities, but retained the appellation suburb; the term was eventually applied to neighborhoods in the original core as well. In Australia, Sydney's urban sprawl has occurred predominantly in the Western Suburbs. The locality of Olympic Park was designated an official suburb in 2009.
Australia thumb|The Sydney central business district in Sydney's western suburbs Large cities like Sydney and Melbourne had streetcar suburbs in the tram era. With the automobile, the Australian usage came about as outer areas were quickly surrounded in fast-growing cities, but retained the appellation suburb; the term was eventually applied to neighborhoods in the original core as well In Australia, Sydney's urban sprawl has occurred predominantly in the Western Suburbs. The locality of Olympic Park was designated an official suburb in 2009.