Numbers 34:4

The border of the Canaanite extended from Sidon as you go toward Gerar, as far as Gaza; as you go toward Sodom and Gomorrah and Admah and Zeboiim, as far as Lasha.

On that day Yahweh cut a covenant with Abram, saying, “To your seed I have given this land, From the river of Egypt as far as the great river, the river Euphrates:

Now the lot for the tribe of the sons of Judah according to their families reached the border of Edom, southward to the wilderness of Zin at the far end toward the south.

Thus says Lord Yahweh, “This shall be the boundary by which you shall apportion the land for an inheritance among the twelve tribes of Israel; Joseph shall have two portions.

“And the south side toward the south shall extend from Tamar as far as the waters of Meribath-kadesh, to the brook of Egypt and to the Great Sea. This is the south side toward the south.