1 Samuel 17:2-3

17:2 Saul and the Israelite army assembled and camped in the valley of Elah, where they arranged their battle lines to fight against the Philistines. 17:3 The Philistines were standing on one hill, and the Israelites on another hill, with the valley between them.

1 Samuel 17:19

17:19 They are with Saul and the whole Israelite army in the valley of Elah, fighting with the Philistines.”