Josh 13:2-3

2This is the land that still remains: all the regions of the Philistines, and all those of the Geshurites3(from the Shihor, which is east of Egypt, northward to the boundary of Ekron, it is reckoned as Canaanite; there are five rulers of the Philistines, those of Gaza, Ashdod, Ashkelon, Gath, and Ekron), and those of the Avvim,