Tabriz (170), an ancient and still important commercial city of Persia, 320 m. SE. of Tiflis, 4500 ft. above sea-level; occupies an elevated site on the Aji, 40 m. E. of its entrance into Lake Urumiah; carries on a flourishing transit trade and has notable manufactures of leather, silk, and gold and silver ware; has been on several occasions visited by severe earthquakes.