or OORGa, a town of Mongolia, on the right bank of the Tula, 165 miles S.S.E. of Kiachta, and 720 N.W. of Pekin. The houses are generally built of wood; and the streets are so narrow as hardly to allow two men on horseback to pass. There are numerous temples, and a college for priests, who form a great part of the inhabitants. Pop. estimated at 7000.