Jeshanah is probably identical with the “Isanas” of Josephus, where a battle took place in the war between Antigonus and Herod; but its situation cannot be fixed. For Ephrain, see Joshua 18:23 note.
Related Commentaries of 2 Chronicles 13:19
2 Chronicles 13:19
19 And Abijah pursued after Jeroboam, and took cities from him, Bethel with the towns thereof, and Jeshanah with the towns thereof, and Ephrain with the towns thereof.