Arsinoes Chaos (Mars)

Daughter of Ptolomy Lagun and Bernice; Lowland of Arsinoë, the name of various Greek and Egyptian figures

Arsinoes Chaos is in the Margaritifer Sinus quadrangle on Mars. It is 200.08 km in diameter. (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.