'Hill' in the Bible

Meanwhile, Joab and Abishai continued to chase Abner. At dusk, as they approached the hill of Ammah that is located near Giah on the way to the Gibeon desert,

the descendants of Benjamin rallied around Abner, forming a single military force. They took their stand on top of the hill.

That's a lie! But there is a man from the Ephraim hill country he's known as Bichri's son Sheba who has rebelled against King David. Turn him over and I'll withdraw from the city!"