Built cities, i.e. repaired, and enlarged, and fortified them; as building is oft used in Scripture, as hath been formerly proved; for these cities, or divers of them, were built before, as appears from Joshua 10:10, Joshua 12:15 15:21,33,35,58 19:42.
Related Commentaries of 2 Chronicles 11:5
2 Chronicles 11:5
5 And Rehoboam dwelt in Jerusalem, and built cities for defence in Judah.