a village of Persia, in the province of Irak Ajemi, 5 miles S.E. of Teheran. It is famous as the birth-place of the Caliph Harunur-rashid, and also for a noble mosque which it contains; and still more renowned as occupying the site of the ancient Rhagae, now Rieh, the capital of Arsaces, and the birth-place of Hasan Sabah, the prince of the Assassins, called the "Old Man of the Mountain," who founded the sect of the Ismaelians. The sepulchre of Togral Beg, the Seljuk prince, who conquered Persia in the eleventh century, stands beside the village near the hills. It is a large polygonal brick tower.