Genesis 15: 18, Exodus 23:31, Deuteronomy 1:7, 11;24, Joshua 1:4
Genesis (NASB) 15:
18 On that day the LORD made a covenant with Abram, saying, 'To your descendants I have given this land, From the river of Egypt as far as the great river, the river Euphrates:'
Exodus (NASB) 23:
31 I will fix your boundary from the Red Sea to the sea of the Philistines, and from the wilderness to the River Euphrates; for I will deliver the inhabitants of the land into your hand, and you will drive them out before you.
Deuteronomy (NASB) 1:
7 Turn and set your journey, and go to the hill country of the Amorites, and to all their neighbors in the Arabah, in the hill country and in the lowland and in the Negev and by the seacoast, the land of the Canaanites, and Lebanon, as far as the great river, the river Euphrates.
Deuteronomy (NASB) 11:
24 Every place on which the sole of your foot treads shall be yours; your border will be from the wilderness to Lebanon, and from the river, the river Euphrates, as far as the western sea.
Joshua (NASB) 1:
4 From the wilderness and this Lebanon, even as far as the great river, the river Euphrates, all the land of the Hittites, and as far as the Great Sea toward the setting of the sun will be your territory.
1-Chronicles (NASB) 5:
9 To the east he settled as far as the entrance of the wilderness from the river Euphrates, because their cattle had increased in the land of Gilead.
1-Chronicles (NASB) 18:
3 David also defeated Hadadezer king of Zobah as far as Hamath, as he went to establish his rule to the Euphrates River.
2-Chronicles (NASB) 9:
26 He was the ruler over all the kings from the Euphrates River even to the land of the Philistines, and as far as the border of Egypt.
Isaiah (NASB) 27:
12 In that day the LORD will start His threshing from the flowing stream of the Euphrates to the brook of Egypt, and you will be gathered up one by one, O sons of Israel.