Diḇre haYamim Bĕt (2 Chronicles) 33:14

And after this he built a wall outside the City of Dawiḏ on the west of Giḥon, in the wadi, and as far as the entrance of the Fish Gate, and it went round Ophel, and he made it exceedingly high. And he put army commanders in all the walled cities of Yehuḏah.