'Hill' in the Bible

These are their names: Ben Hur, in the hill country of Ephraim;

Then Jeroboam built Shechem in the hill country of Ephraim, and lived in it; and he went out from there, and built Penuel.

For they also built them high places, and pillars, and Asherim, on every high hill, and under every green tree;

He bought the hill Samaria of Shemer for two talents of silver; and he built on the hill, and called the name of the city which he built, after the name of Shemer, the owner of the hill, Samaria.