Etadunna is a locality in the Australian state of South Australia located about 684 kilometres (425 miles) north of the capital city of Adelaide and about 108 kilometres (67 miles) north-east of the town of Marree.

[1][4][5][6] Etadunna consists of a landscape that is described as an “extensive dunefield interrupted by large claypans grading into a large playa complex of salt lakes with gypsum dunes, and surrounding plain with channels and dunes”.

Features associated with the Cooper Creek watercourse include the northern end of Lake Gregory, which is located in the locality’s south-eastern corner.

[1][2][11] Etadunna was located within an area shared with a number of adjoining localities which was surveyed during the 2016 Australian census in August 2016 and was found to have a population of 63 people.

[1][12] Places of cultural and natural heritage significance either wholly or partly located within the locality include:[13][14]