Karkheh River

The Karkheh or Karkhen (Persian: کرخه) (known as ChoaspesAncient Greek: Χοάσπης in ancient times; also called Eulæus, in Ancient Greek: Εὔλαιος or Εὐλαῖος; Hebrew: אולי Ulai) is a river in Khūzestān Province, in southwest Iran (ancient Susiana).