The Anna Centenary Library (ACL) is an established state library of the Government of Tamil Nadu. It is located at Kotturpuram, Chennai. It is built at a cost of ₹172 crores (₹1,720 million). It is named after a former chief minister of Tamil Nadu, C. N. Annadurai. It was opened by the then Chief Minister of Tamil Nadu M. Karunanidhi. The average number of persons who visited the library between January and October 2011 is around 26,500, compared to the monthly average of 20,000 in 2010. The library is designed to accommodate a total of 1,250 persons. An auditorium of 50,000 sq. ft. with a seating capacity of 1,280, and an amphitheatre on the terrace that can accommodate more than 800 persons and two conference halls with capacities of 151 and 30 persons respectively, are some of the facilities available. A dedicated children's section, spread over 15,000 sq. ft. has a fun-filled theme-based reading area with multimedia kits and storybooks. The library also boasts a high-tech section for the visually impaired, with talking books and Brailledisplays. Parking space exists for about 420 cars and 1,030 two-wheelers. A separate power substation with a capacity of 32 kV has been built on the premises.