1 Samuel 27:8

and ruled over Mount Hermon and Salecah and all Bashan, as far as the border of the Geshurites and the Maacathites, and half of Gilead, as far as the border of Sihon king of Heshbon.

“This is the land that remains: all the regions of the Philistines and all those of the Geshurites;

So Saul struck the Amalekites, from Havilah as you go to Shur, which is east of Egypt.

And he seized Agag the king of the Amalekites alive and devoted to destruction all the people with the edge of the sword.

Then Achish called David and said to him, “As Yahweh lives, you have been upright, and your going out and your coming in with me in the camp are pleasing in my sight; for I have not found evil in you from the day of your coming to me to this day. Nevertheless, you are not pleasing in the sight of the lords.

Then it happened when David and his men came to Ziklag on the third day, that the Amalekites had made a raid on the Negev and on Ziklag and had struck Ziklag and burned it with fire;

and his second, Chileab, by Abigail the wife of Nabal the Carmelite; and the third, Absalom the son of Maacah, the daughter of Talmai king of Geshur;

And behold, the servants of David and Joab came from a raid and brought much spoil with them; but Abner was not with David in Hebron, for he had sent him away, and he had gone in peace.

from Aram, Moab, the sons of Ammon, the Philistines, Amalek, and from the spoil of Hadadezer, son of Rehob, king of Zobah.