Madurantakam is the southernmost suburb of Chennai city and a municipality in Chengalpattu district in the Indian state of Tamil Nadu. The town is known for the artificial and second largest lake in Tamil Nadu, the Madurantakam lake. It is said to have been built by the Chola King Uttama Chola, also called as Maduranthaka, during his reign. It is also home to the Eri-Katha Ramar Temple. As of 2011, the town had a population of 30,796.