Tabriz, tah breez', or Tebriz, a city of Persia, located on an elevation about 4500 feet above the sea, 30 mi. e. of Lake Urumia. It is surrounded upon three sides by hills. Many ruins attest the destruction caused by earthquakes, showing that it was formerly of much greater importance than at present. There is but little of interest within the city, the chief object being the large, blue mosque. The suburbs are beautified by gardens and orchards. Much of its former commerce has been diverted to ports on the Caspian Sea. Its leading articles of export are grapes, shawls and rugs. Population, estimated at 170,000.