Atlantis Chaos is a region of chaos terrain in the Phaethontis quadrangle of Mars. It is located around 34.7° south latitude, and 177.6° west longitude. It is encompassed by the Atlantis basin. The region is 162 kilometers (101 mi) across, and was named after an albedo feature at 30° S, 173° W.^[1]

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  Map showing relative positions of Atlantis Chaos, Gorgonum Chaos, Magelhaens Crater and Simois Colles

Atlantis Chaos

Atlantis Chaos, as seen by HiRISE. Click on image to see mantle covering and possible gullies. The two images are different parts of the original image. They have different scales.
Location	Phaethontis quadrangle
Coordinates	34°S 177°W / 34°S 177°W / -34; -177