Sukkur, city, southeastern Pakistan, in Sind Province, on the Indus River. The city is located on a road and railroad that cross the river here. Industries include cotton ginning, silk and food processing, rice and flour milling, textile dyeing, metalworking, boatbuilding, tanning, tobacco processing, shad fishing, and the manufacture of chemicals, cement, candy, tiles, hosiery, and playing cards. Sukkur is the site of a technical school and of the Sukkur Industrial Trading Estate, which supplies local products to factories. To the south is Sukkur Barrage (about 1525 m/5000 ft long), one of the world's largest dams, built from 1923 to 1932. From it radiate seven canals, irrigating a region where wheat, rice, millet, and oilseeds are grown. The city was under British rule from 1842 to 1947. Population (1981) 190,551.