A wine zone located in South Australia which covers the portion of the state south of a line of latitude approximately in line with Crystal Brook, east of a line of longitude approximately in line with Truro and north of a line of latitude approximately in line with Cape Willoughby at the east end of Kangaroo Island. The zone is bounded by the following wine zones: Far North to its north, the Mount Lofty Ranges, Barossa and Fleurieu (from north to south) to its west and the Limestone Coast to its south.