text: Once a coastal city near the mouth of the Euphrates on the Persian Gulf , Ur is now well inland , south of the Euphrates on its right bank , 16 k from Nasiriyah .
simplified: Once a coastal city near the mouth of the then Euphrates river on the Persian Gulf , Ur is now well inland , south of the Euphrates on its right bank , 16 k from Nasiriyah , Iraq .