Andipatti or Aundipatty is a municipal body in Theni district in Madurai Region of Tamil Nadu state in southern India. It is on the bank of Vaigai River with rich flora and fauna species. It is a valley surrounded by mountains and there is a theory saying Western Ghats starts from this place. The Vaigai Dam, a major reservoir in Tamil Nadu, is 7 km away from Andipatti, Theni district, Madurai Region.