Smith's Bible Dictionary (1863)
more accurately the Bithron (a craggy gorge or ravine), a place, doubtless a district, in the Jordan valley on the east side of the river.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
BITH'RON (ravine), a defile or tract of country east of the Jordan, toward Mahanaim. 2 Sam 2:29.
Hitchcock's Bible Names (1869)
divisions