Chennai metropolitan area

Greater Chennai Chennai Metropolitan Area
Metropolitan Area
Chennai skyline
Nickname(s):  Detroit of Asia, Gateway to South India
CMA expanded boundary
Country	India
State	Tamil Nadu
Core city	Chennai
Districts	Chennai, Kancheepuram, Chengalpattu, Tiruvallur, Ranipet
Area
• Total	5,904 km2 (2,280 sq mi)
Population  (2011)
• Total	11,570,000
Demonym(s)	Chennaivasi, Chennaiite
Time zone	UTC+5:30 (Indian Standard Time)
Website	www.cmdachennai.gov.in
Area Note: Area of CMA was expanded from 1189 sq.km to 5904 sq.km in 2022[1] Population Note: Population and density correspond to the pre-expansion area[2]

Greater Chennai Metropolitan Area, or simply the Chennai Metropolitan Area (CMA), is fourth-most populous metropolitan area in India and the 35th most populous in the world. The CMA consists of the core city of Chennai, which is coterminous with the Chennai district, and its suburbs in Kanchipuram, Chengalpattu, Thiruvallur and Ranipet districts. The Chennai Metropolitan Development Authority (CMDA) is the nodal agency that handles town planning and development within the metro area. In 1974, an area encompassing 1,189 km² (459 sq mi) around the city was designated as the metropolitan area which was subsequently expanded to 5,904 km² (2,280 sq mi) in 2022.