Joshua 15:4
From there it passed toward Azmon, and went out by the river of Egypt; and the border ended at the sea: this shall be your south boundary.
Numbers 34:5
And the border shall turn from Azmon unto the river of Egypt, and the end of it shall be at the sea.
Joshua 13:3
From Sihor, which is east of Egypt, even unto the borders of Ekron northward, which is counted to the Canaanite: five lords of the Philistines; the Gazites, and the Ashdodites, the Ekronites, the Gittites, and the Ekronites; also the Avites:
Genesis 15:18
In the same day the LORD made a covenant with Abram, saying, Unto your descendants have I given this land, from the river of Egypt unto the great river, the river Euphrates:
Exodus 23:31
And I will set your bounds from the Red sea even unto the sea of the Philistines, and from the desert unto the river: for I will deliver the inhabitants of the land into your hand; and you shall drive them out before you.