Ister Chaos (Mars)
From classical albedo feature at 10N, 56W.
Ister Chaos is a broken up area in the Lunae Palus quadrangle of Mars. (wikipedia entry)
A chaos is a distinctive area of broken or jumbled terrain. On Mars they are named after the nearest named albedo feature on the Schiaparelli or Antoniadi maps.
Ister Chaos
12.95° N 303.44° E