Joshua 15:2-5

2And their south border was from the uttermost part of the Salt Sea, from the bay that looketh southward;

3and it went out southward of the ascent of Akrabbim, and passed along to Zin, and went up by the south of Kadesh-barnea, and passed along by Hezron, and went up to Addar, and turned about to Karka;

4and it passed along to Azmon, and went out at the brook of Egypt; and the goings out of the border were at the sea: this shall be your south border.

5And the east border was the Salt Sea, even unto the end of the Jordan. And the border of the north quarter was from the bay of the sea at the end of the Jordan;