Where did the tribe inhabit that the electoral district was named after that include an outer southern suburb of Adelaide that lies within the City of Onkaparinga and has the postcode 5173?
Electoral district of Kaurna:  Named after the Kaurna aboriginal tribe which originally inhabited the Adelaide plains, it is a 52.7 km² semi-urban electorate on Adelaide's far-southern beaches, taking in the suburbs of Aldinga Beach, Maslin Beach, Moana, Port Noarlunga, Port Noarlunga South, Port Willunga, Seaford, Seaford Meadows and Seaford Rise as well as parts of Aldinga and Christies Beach. Aldinga Beach, South Australia:  It lies within the City of Onkaparinga and has the postcode 5173.
Adelaide plains