Tiruchengode is a selection grade municipality located in western part of southern Indian state of Tamil Nadu. It is famous for the ancient hilltop Ardhanareeswarar Temple, dedicated to the unique combined male-female form of Lord Shiva and Goddess Parvathi. This important place of pilgrimage is mentioned in the Tamil work Silapathikaram as 'Nedulkundru' and is celebrated in the hymns of Saivite saints. The equally famous Chenkottu Velavar Temple, dedicated to Lord Murugan, is situated on the same hill. As of 2011, the town had a population of 95,335. As per 2011 population, Tiruchengode is the largest city in Namakkal district. It is also famous for rig business.