1 And the lot for the tribe of the children of Judah according to their families was unto the border of Edom, even to the wilderness of Zin southward, at the uttermost part of the south.
Joshua 15:1 Cross References - JPS_ASV_Byz
Numbers 26:55-56
Numbers 33:36-37
Numbers 34:3-5
3 Thus your south side shall be from the wilderness of Zin close by the side of Edom, and your south border shall begin at the end of the Salt Sea eastward;
4 and your border shall turn about southward of the ascent of Akrabbim, and pass along to Zin; and the goings out thereof shall be southward of Kadesh-barnea; and it shall go forth to Hazar-addar, and pass along to Azmon;
5 and the border shall turn about from Azmon unto the Brook of Egypt, and the goings out thereof shall be at the Sea.
Joshua 14:2
2 by the lot of their inheritance, as the LORD commanded by the hand of Moses, for the nine tribes, and for the half-tribe. -
Ezekiel 47:19
19 And the south side southward shall be from Tamar as far as the waters of Meriboth-kadesh, to the Brook, unto the Great Sea. This is the south side southward.