4 In the twenty-fourth day of the first month, as I was by the side of the great river, which is Hiddekel,
Daniel 10:4 Cross References - WEB
Genesis 2:14
14 The name of the third river is Hiddekel. This is the one which flows in front of Assyria. The fourth river is the Euphrates.
Ezekiel 1:3
3 Yahweh’s word came to Ezekiel the priest, the son of Buzi, in the land of the Chaldeans by the river Chebar; and Yahweh’s hand was there on him.
Daniel 8:2
2 I saw the vision. Now it was so, that when I saw, I was in the citadel of Susa, which is in the province of Elam. I saw in the vision, and I was by the river Ulai.