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 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 o…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 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.