“The east side, from between Hauran, Damascus, Gilead, and the land of Israel, shall be the Jordan; from the north border to the eastern sea you shall measure. This is the east side.
the [eastern] boundary shall go down from Shepham to Riblah on the east side of Ain and shall descend and reach to the slope on the east of the Sea of Chinnereth [the Sea of Galilee];
The eastern border was the Salt (Dead) Sea, as far as the mouth of the Jordan. The northern border was from the bay of the sea at the mouth of the Jordan.