It consists of the following wine regions all of which have received appellation as an Australian Geographical Indication (AGI): Coonawarra, Mount Benson, Mount Gambier, Robe, Padthaway, Wrattonbully and a small number of vineyards located outside the above regions.

The Limestone Coast zone is located in the south-east of South Australia bounded by the continental coastline to the south, the border with the neighbouring state of Victoria to the east and the Lower Murray wine zone to the north.

[2] The term ‘Limestone Coast’ was registered as an AGI under the Wine Australia Corporation Act 1980 on 27 December 1996.

[3] The Coonawarra wine region covers an area centred on the strip of land adjoining both sides of the Riddoch Highway mainly north of the town of Penola.

The region received appellation as an Australian Geographical Indication in 2010 and as of 2014, is represented by 20 vineyards and eight wineries.