The valley of Berachah - Probably, the Wady Bereikut, which lies at a short distance from Tekoa toward the northwest.
Related Commentaries of 2 Chronicles 20:26
2 Chronicles 20:26
26 And on the fourth day they assembled themselves in the valley of Berachah;e for there they blessed the LORD: therefore the name of the same place was called, The valley of Berachah, unto this day.