Seaport in Algeria; population (1984) 663,500. Products include iron, textiles, footwear, and processed food; the port trades in grain, wool, and vegetables, and exports grass. history Oran was part of the Ottoman Empire, except when it was under Spanish rule 1509-1708 and 1732-91. It was occupied by France in 1831. After the surrender of France to Germany in 1940, the French warships in the naval base of Mers-el-Kebir nearby were put out of action by the British navy to prevent them from falling into German hands.