The cities which Huram had restored to Solomon - These cities had not been mentioned previously by the writer of Chronicles, who, however, seems to assume that the fact of their having been given by Hiram to Solomon is known to his readers. See 1 Kings 9:11-13.
Related Commentaries of 2 Chronicles 8:2
2 Chronicles 8:2
2 That the cities which Huram had restored to Solomon, Solomon built them, and caused the children of Israel to dwell there.