Numbers 2:3

The Tribes on the East

2:3 “Now those who will be camping on the east, toward the sunrise, are the divisions of the camp of Judah under their standard. The leader of the people of Judah is Nahshon son of Amminadab.

Numbers 34:3

34:3 your southern border will extend from the wilderness of Zin along the Edomite border, and your southern border will run eastward to the extremity of the Salt Sea,

Numbers 34:11

34:11 The border will run down from Shepham to Riblah, on the east side of Ain, and the border will descend and reach the eastern side of the Sea of Chinnereth.