Sydney Olympic Park is a large sports and entertainment complex in the West of Sydney. It is also an official suburb of Sydney, commonly known as Olympic Park but officially named Sydney Olympic Park. Sydney Olympic Park is located 16 kilometres west of the Sydney central business district, in the local government area's of the City of Parramatta Council and the Cumberland Council.

The area was redeveloped for the 2000 Olympics. The facilities built continue to be used for sporting, musical, and cultural events, including the Sydney Royal Easter Show, Sydney Festival, Stereosonic, Big Day Out, Soundwave, Sydney 500 and a number of world-class sporting fixtures. The suburb also contains commercial development and extensive parklands. The area was originally part of the suburb of Homebush Bay, but was designated a suburb in its own right in 2009. The name Homebush is still used colloquially as a metonym for Stadium Australia as well as the Olympic Park precinct as a whole.

The Wangal clan of Indigenous Australians lived in the area before British settlement. The area was called "The Flats" by a scouting party shortly after the arrival of the First Fleet in 1788. It became part of the Newington Estate in 1807, which was acquired by John Blaxland. The Government acquired some of the land for an aged women's home in the late 19th century. Much of the land was reclaimed from the river and wetlands by landfill.

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