Joshua 15:5

And the east boundary is the Salt Sea , to the mouth of the Jordan . And the boundary on the north side runs from the bay of the sea at the mouth of the Jordan .

The eastern boundary is the Dead Sea as far as the mouth of the Jordan. The northern boundary started from the bay of the sea at the mouth of the Jordan,

And the east border was the salt sea, even unto the end of Jordan. And their border in the north quarter was from the bay of the sea at the uttermost part of Jordan :