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Kathirvedu

Chennai
Madras
Megacity
Clockwise from top right: Chennai Central, Marina Beach, Madras High Court, TIDEL Park, Ripon Building, San Thome Basilica, Kapaleeshwarar Temple, Classical dance Bharata Natyam and Valluvar Kottam
Nickname(s): Detroit of Asia
Gateway of South India
India's Health Capital, City of flyover
Chennai is located in Tamil Nadu
Chennai
Chennai
Location of Chennai in Tamil Nadu
Coordinates: 13°5′N 80°16′E / 13.083°N 80.267°E / 13.083; 80.267Coordinates: 13°5′N 80°16′E / 13.083°N 80.267°E / 13.083; 80.267
Country  India
State Tamil Nadu
District Chennai, Kanchipuram Tiruvallur
Former name Madras
Established 1639
Government
 • Type Mayor–Council
 • Body Greater Chennai Corporation
 • Mayor Saidai Duraisamy
 • Corporation Commissioner D Karthikeyan IAS
 • Police Commissioner Dr. A K ViswanathanIPS
Area
 • Megacity 426 km2 (164.5 sq mi)
 • Metro 1,189 km2 (459.07 sq mi)
Elevation 6 m (20 ft)
Population (2011)
 • Megacity 7,088,000
 • Rank 5th
 • Density 17,000/km2 (43,000/sq mi)
 • Metro 8,653,521
8,917,749 (Extended UA)
 • Metro rank 4th
Demonym(s) Chennaiite
Languages
 • Native Standard Tamil
Madras Tamil
 • Official Tamil
English
 • Minority Hindi
Telugu
Malayalam
Kannada
Urdu
Time zone IST (UTC+05:30)
Pincode(s) 600xxx
Area code(s) +91-44
Vehicle registration TN-01 to TN-14, TN-18, TN-22, TN-85
Metro GDP $59 to $66 billion (PPP)
Website Chennai Corporation
Population of Chennai city 
Census Pop.
1791 300,000
1871 367,552
1881 405,848 10.4%
1891 452,518 11.5%
1901 509,346 12.6%
1911 518,660 1.8%
1921 526,911 1.6%
1931 647,232 22.8%
1941 777,481 20.1%
1951 1,416,056 82.1%
1961 1,729,141 22.1%
1971 2,469,449 42.8%
1981 3,266,034 32.3%
1991 3,841,396 17.6%
2001 4,343,645 13.1%
2011 7,088,000 63.2%
Sources:
* 1639–1791:
* 1871–1901:
* 1871–1931:
* 1931–1951:
* 1951–1961:
* 1991–2001:
* 2001: 2011:

Chennai (/ˈɛn/ (About this sound listen); formerly known as Madras /məˈdrɑːs/ (About this sound listen) or /-ˈdræs/) is the capital of the Indian state of Tamil Nadu. Located on the Coromandel Coast off the Bay of Bengal, it is one of the biggest cultural, economic and educational centres in South India. According to the 2011 Indian census, it is the sixth-largest city and fourth-most populous urban agglomeration in India. The city together with the adjoining regions constitute the Chennai Metropolitan Area, which is the 36th-largest urban area by population in the world. Chennai is among the most visited Indian cities by foreign tourists. It was ranked 43rd most visited city in the world for year 2015. The Quality of Living Survey rated Chennai as the safest city in India. Chennai attracts 45 percent of health tourists visiting India, and 30 to 40 percent of domestic health tourists. As such, it is termed "India's health capital". As a growing metropolitan city in a developing country, Chennai confronts substantial pollution and other logistical and socio-economic problems.


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