1 Samuel 17:2

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.

1 Samuel 17:19

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

1 Samuel 21:9

David Goes to Gath

21:9 The priest replied, “The sword of Goliath the Philistine, whom you struck down in the valley of Elah, is wrapped in a garment behind the ephod. If you wish, take it for yourself. Other than that, there’s nothing here.” David said, “There’s nothing like it! Give it to me!”