Theni is a valley town situated in the Indian state of Tamil Nadu at the foothills of Western Ghats. It is the headquarters of the Theni district, located in a distance of 70km from Madurai. It is known for the large-scale trading of garlic, cotton, cardamom, grapes, bananas, mango and chilli. It hosts the second largest weekly market in Tamil Nadu and the fourth largest in South India.