In the same day the Lord made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates: (15:18)

--Numbers--

And the border shall fetch a compass from Azmon unto the river of Egypt, and the goings out of it shall be at the sea. (34:5)

--Joshua--

From Sihor, which [is] before Egypt, even unto the borders of Ekron northward, [which] is counted to the Canaanite: five lords of the Philistines; the Gazathites, and the Ashdothites, the Eshkalonites, the Gittites, and the Ekronites; also the Avites: (13:3)

[From thence] it passed toward Azmon, and went out unto the river of Egypt; and the goings out of that coast were at the sea: this shall be your south coast. (15:4)

Ashdod with her towns and her villages, Gaza with her towns and her villages, unto the river of Egypt, and the great sea, and the border [thereof]: (15:47)

--1 Kings--

And at that time Solomon held a feast, and all Israel with him, a great congregation, from the entering in of Hamath unto the river of Egypt, before the Lord our God, seven days and seven days, [even] fourteen days. (8:65)

--2 Kings--

And the king of Egypt came not again any more out of his land: for the king of Babylon had taken from the river of Egypt unto the river Euphrates all that pertained to the king of Egypt. (24:7)

--Isaiah--

And it shall come to pass in that day, [that] the Lord shall beat off from the channel of the river unto the stream of Egypt, and ye shall be gathered one by one, O ye children of Israel. (27:12)

--Ezekiel--

And the south side southward, from Tamar [even] to the waters of strife [in] Kadesh, the river to the great sea. And [this is] the south side southward. (47:19)

And by the border of Gad, at the south side southward, the border shall be even from Tamar [unto] the waters of strife [in] Kadesh, [and] to the river toward the great sea. (48:28)