O'halloran Hill Community
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The suburb of O'halloran Hill has an approximate area of 7 km².
It is surrounded by the suburbs of Darlington, Flagstaff Hill, Happy Valley, Seacombe Heights, Seaview Downs and Trott Park.
It is adjacent to the locality of Noarlunga.
It is comprised of parts of the councils of Marion City and Onkaparinga City.
It is comprised of parts of the state electorates of Davenport, Fisher and Mitchell.
It is comprised of parts of the federal electorates of Boothby and Kingston.