Salem is a district of Tamil Nadu state in southern India. Salem is the district headquarters and other major towns in the district include Mettur, Omalur and Attur. Salem is surrounded by hills and the landscape dotted with hillocks. Salem has a vibrant culture dating back to the ancient Salem Nadu ruled by Mazhavar kings. Salem comes under Mazhanadu in Sangam Age. As a district, Salem has its significance in various aspects; it is known for mango cultivation, silver ornaments, textile, sago industries and steel production. Attractions in Salem, Yercaud Hills, 1008 Lingam Temple, Kiliyur Falls, Kolli Hills, Hogenakkal Falls, Mettur Dam, Panamarathupatti Lake, etc'''