Joshua 15:4
and passed on to Azmon, and went out by the torrent of Egypt. And the boundary line was at the Sea. This shall be your south border.
Numbers 34:5
And the border shall turn from Azmon to the torrent of Egypt, and the end of it shall be at the sea.
Joshua 13:3
from Shihor, which is before Egypt, even to the borders of Ekron northward, which is counted to the Canaanite, five lords of the Philistines: of Gaza, of Ashdod, of Ashkelon, of Gath, and of Ekron; also the Avim.
Genesis 15:18
In the same day Jehovah made a covenant with Abram, saying, I have given this land to your seed, from the river of Egypt to the great river, the river Euphrates,
Exodus 23:31
And I will stretch your bounds from the Red Sea even to the Sea of the Philistines, and from the desert to the river. For I will deliver the inhabitants of the land into your hand, and you shall drive them out before you.