Arignar Anna Zoological Park, also known as the Vandalur Zoo, is a zoological garden located in Vandalur, a suburb in the southwestern part of Chennai, Tamil Nadu, about 31 kilometres from the city centre and 15 kilometres from Chennai Airport. Its previous location was set up in 1855 and was the first public zoo in India. It is affiliated with the Central Zoo Authority of India. Spread over an area of 1,490 acres, including a 228.4-acre rescue and rehabilitation centre, the park is the largest zoological garden in India. The zoo houses 2,553 species of flora and fauna across 1,265 acres. The park houses around 1,500 wild species, including 46 endangered species, in its 160 enclosures. As of 2015, there were about 58 species of mammals, 63 species of birds, 31 species of reptiles, 5 species of amphibians, 25 species of fishes, and 10 species of insects in the park.