By their towns— Villages, composed of tents pitched together, Jeremiah 49:31. Some of these people however dwelt in walled towns. See Numbers 31:10. They had also castles, fortified places, erected in the desarts, to which they repaired in time of danger, Isaiah 42:11 such castles are among them to this day. See note on ch. Genesis 17:20.
Related Commentaries of Genesis 25:16
Genesis 25:16
16 These are the sons of Ishmael, and these are their names, by their towns, and by their castles; twelve princes according to their nations.