While headquartered at its "Hills" campus in Baulkham Hills' Norwest Business Park in the Hills District, Hillsong is a multi-site church with another congregation, designated the "City" campus, located in Waterloo, near Sydney's central business district. In 2009, a third Sydney campus, "South West", located in Campbelltown and a fourth interstate campus, the "Brisbane" campus in Mount Gravatt, were added.