Ister Chaos is a broken up area in the Lunae Palus quadrangle of Mars. It is located at 13.0° N and 56.4° W. It is 103.4 km across and was named after a classical albedo feature at 10N, 56W.

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  Close-up of Ister Chaos, as seen by HiRISE.

See also

• Chaos terrain
• Geology of Mars
• HiRISE
• List of areas of chaos terrain on Mars
• Martian chaos terrain