Read Numbers 34:3 Using Other Translations
Then your south quarter shall be from the wilderness of Zin along by the coast of Edom, and your south border shall be the outmost coast of the salt sea eastward:
your south side shall be from the wilderness of Zin alongside Edom, and your southern border shall run from the end of the Salt Sea on the east.
The southern portion of your country will extend from the wilderness of Zin, along the edge of Edom. The southern boundary will begin on the east at the Dead Sea.