I Chronicles 5:16 Midrash

וַיֵּֽשְׁב֛וּ בַּגִּלְעָ֥ד בַּבָּשָׁ֖ן וּבִבְנֹתֶ֑יהָ וּבְכָֽל־מִגְרְשֵׁ֥י שָׁר֖וֹן עַל־תּוֹצְאוֹתָֽם׃

And they dwelt in Gilead in Bashan, and in the towns thereof, and in all the open lands of the plain, upon their borders.

Read midrashic interpretation of I Chronicles 5:16: and classical rabbinic exegesis.