Homebush Bay is a bay on the south bank of the Parramatta River, in the western suburbs of Sydney, Australia. The name is also used to refer to an area to the west and south of the bay itself, which was formerly an official suburb of Sydney, which has now become the suburbs of Sydney Olympic Park, Wentworth Point and part of the neighbouring suburb of Lidcombe. Homebush Bay is located west of the Sydney central business district, in the local government area of City of Auburn. Homebush and Homebush West are separate suburbs.