Whedon's Commentary on the Bible - 2 Chronicles 20:23
23. Ammon and Moab stood up against… Seir The fight first turned almost wholly against the Maonites from the vicinity of Mount Seir, (note on 2 Chronicles 20:1,) and when they were utterly cut off the Ammonites and Moabites went to destroying one another. read more
Wesley's Explanatory Notes - 2 Chronicles 20:26
And on the fourth day they assembled themselves in the valley of Berachah; for there they blessed the LORD: therefore the name of the same place was called, The valley of Berachah, unto this day.Berachah — Heb. of blessing; so called from their solemn blessings and praises given to God in it upon this occasion. read more