As far as Hamath, David also defeated King Hadadezer of Zobah, who had marched out to establish his dominion along the Euphrates River.
Cross References
1 Chronicles 18:2David also defeated the Moabites, and they became subject to David and brought him tribute.
1 Chronicles 18:4David captured from him a thousand chariots, seven thousand charioteers, and twenty thousand foot soldiers, and he hamstrung all the horses except a hundred he kept for the chariots.
Ezra 4:20And mighty kings have ruled over Jerusalem and exercised authority over the whole region west of the Euphrates; and tribute, duty, and toll were paid to them.
Psalm 60:1You have rejected us, O God; You have broken us; You have been angry; restore us!
Treasury of Scripture
And David smote Hadarezer king of Zobah to Hamath, as he went to establish his dominion by the river Euphrates.
2 Samuel 8:3
David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.
Hadadezer
1 Samuel 14:47
So Saul took the kingdom over Israel, and fought against all his enemies on every side, against Moab, and against the children of Ammon, and against Edom, and against the kings of Zobah, and against the Philistines: and whithersoever he turned himself, he vexed them.
2 Samuel 10:6
And when the children of Ammon saw that they stank before David, the children of Ammon sent and hired the Syrians of Bethrehob, and the Syrians of Zoba, twenty thousand footmen, and of king Maacah a thousand men, and of Ishtob twelve thousand men.
Psalm 60:1
To the chief Musician upon Shushaneduth, Michtam of David, to teach; when he strove with Aramnaharaim and with Aramzobah, when Joab returned, and smote of Edom in the valley of salt twelve thousand. O God, thou hast cast us off, thou hast scattered us, thou hast been displeased; O turn thyself to us again.
by the river
Genesis 15:18
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:
Exodus 23:31
And I will set thy 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 thou shalt drive them out before thee.