It covers a 1004 sqkm regional area which includes the localities of Back Valley, Currency Creek, Encounter Bay, Finniss, Goolwa, Goolwa Beach, Goolwa North, Goolwa South, Hayborough, Hindmarsh Island, Hindmarsh Tiers, Hindmarsh Valley, Lower Inman Valley, McCracken, Middleton, Mosquito Hill, Mount Compass, Mount Observation, Mundoo Island, Nangkita, Port Elliot, Tooperang, and Victor Harbor; as well as parts of Inman Valley and Waitpinga.