'Hill country' in the Bible

Their settlements extended from Mesha to Sephar, the eastern hill country.

From there he moved on to the hill country east of Bethel and pitched his tent, with Bethel on the west and Ai on the east. He built an altar to Yahweh there, and he called on the name of Yahweh.

He fled with all his possessions, crossed the Euphrates, and headed for the hill country of Gilead.

When Laban overtook Jacob, Jacob had pitched his tent in the hill country, and Laban and his brothers also pitched their tents in the hill country of Gilead.