The City of Rockingham is located in the outer southern suburbs of Perth, Western Australia, about 45 km south-west of the Perth CBD. The municipality covers about 260 km² and includes the suburbs of Baldivis, Cooloongup, East Rockingham, Garden Island, Golden Bay, Hillman, Karnup, Peron, Port Kennedy, Rockingham, Safety Bay, Secret Harbour, Shoalwater, Singleton, Waikiki and Warnbro. One of Australia's fastest growing areas, the region has about 135,000 residents and is expected to have up to an additional 65,000 residents by 2030.