Namakkal is a city and a municipality in Namakkal district in the Indian state of Tamil Nadu. It is the headquarters of Namakkal district. It is the first ISO 14001-2004 certified municipality in Asia for environmental management, specifically the provision and maintenance of water supply, solid waste and sewage management, town planning, lighting and other social services. It is named as Educational city, Poultry city, and Transport city.
It is a part of Kongu Nadu (Kongu Desam) region of Tamil Nadu which was hotly contested and coveted by both the ancientPallavas and the Pandyas.Namakkal was in the hands of Atiakula King called Gunasila who has marriage with Pallava King. Later the taluk was overrun by the Cholas in the Kongu Mandalam .After the struggle between the Cheras, Cholas and Pandiyas, the Hoysalas rose to power and had control till the 14th century followed by Vijayanagar Kings till 1565 AD. Then the Madurai Nayakas came to power in 1623 AD. Two of the Polygons of Thirumalai Nayak namely, Ramachandra Nayaka and Gatti Mudaliars ruled the Salem area. The Namakkal Fort is reported to have been built by Ramachandra Nayakas. After about 1625 AD, the area came successively under the rule of Muslim Sultans of Bijapur and Golkonda Mysore kings and then the Marathas, when about the year 1750 AD. Hyder Ali came to power. During this period, it was a history of power struggle between Hyder Ali and later Tippu, with the British. The Rock Fort in Namakkal is a special feature of the Town. The Fort covers an area of one and half acres of flat surface and is accessible from South-West by a flight of narrow steps. Namakkal was held by Killdhar (Caption) on Hyder Ali until it was captured by British in 1768. For a brief period during late 18th and early 19th century Namakkal was under Tiruchirappallidistrict of British Rule. Later Namakkal was transferred back to Salem District