or Sujbulak, the principal town of the Mukri district, in the province of Azerbaijan in Persia, in a fertile valley, between 30 and 40 m. S. of Lake Urmia, at an elevation of 4270 ft. It has post and telegraph offices, and a population of about 7000, mostly Kurds of the Mukri tribe, and exports dried fruit, grain and tobacco. There are many more localities with this name (Turkish, meaning "cold stream," or "cold spring") in Persia, the most notable, after the above-mentioned Kurdish city, being a district of the province of Teheran, with many villages. The place was temporarily occupied by Turkish troops in January 1908.