Pison = the river W. of the Euphrates, called Pallukat in reign of Nabonidos, last king of Babylonia, or the Pallakopas Canal.
compasseth. The Pallukat or Pison encircled the N. borders of the great sandy desert which stretched westward to the mountain chains of Midian and Sinai.
Havilah = the region of Sand. Indicated in Gen_25:18. 1Sa_15:7. Shur would be the E. end of Havilah, the W, of this region. Connected with Ophir in Gen_10:29.