Campbelltown is a suburb located on the outskirts of the metropolitan area of Sydney, New South Wales, Australia. It is located in Greater Western Sydney 53 kilometres (33 mi) south-west of the Sydney central business district by road. Campbelltown is the administrative seat of the local government area of the City of Campbelltown. It is also acknowledged on the register of the Geographical Names Board of New South Wales as one of only four cities within the Sydney metropolitan area.

Elizabeth Macquarie was the second wife of Lachlan Macquarie, who served as Governor of New South Wales from 1810 to 1821. She played a significant role in the establishment of the colony and is recognised in the naming of many Australian landmarks including Mrs Macquarie's Chair and Elizabeth Street, Hobart. Governor Macquarie named the town of Campbelltown, New South Wales after his wife's maiden name and a statue of her now stands in Mawson Park, Campbelltown.