Holy Land: Extent of Under Solomon
Source: TTT
1 Kings 4:21, 24
And Solomon reigned over all the kingdoms from the Euphrates to the land of the Philistines, as far as the border of Egypt. These kingdoms offered tribute and served Solomon all the days of his life. / For Solomon had dominion over everything west of the Euphrates—over all the kingdoms from Tiphsah to Gaza—and he had peace on all sides.
2 Chronicles 9:26
He reigned over all the kings from the Euphrates to the land of the Philistines, as far as the border of Egypt.