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This is a list of metropolitan areas by population in the Indian state of Tamil Nadu. As per the Constitution of India, a metropolitan area is defined as an area having a population of 10 lakh or more, comprised in one or more districts, and consisting of two or more municipalities or panchayats or other contiguous areas, specified by the Governor by a public notification.[1][2] Chennai is the capital and the largest metropolitan area in Tamil Nadu.[3]
The list is updated for cities wherever metropolitan area data is available with the corresponding sources. All population data correspond to the 2011 census. For regions that were expanded post-2011 and no updated population data is available, data corresponding to the old urban area limits as per the 2011 census has been considered.[4]
| Name | District | Area (km²) | Population |
|---|---|---|---|
| Chennai | Chennai, Chengalpattu, Thiruvallur, Kanchipuram and Ranipet | 5,904.00[5] | 8,696,010 |
| Coimbatore | Coimbatore | 1,531.57[6] | 2,467,000[7] |
| Salem | Salem | 1,265.20[8] | 2,290,024[9] |
| Madurai | Madurai | 1,254.93[10] | 2,263,115[11] |
| Tiruchirappalli | Tiruchirappalli | 804.53[12] | 1,433,167[13] |
| Tiruppur | Tiruppur | 1,031.67[14] | 1,359,814[15] |
| Erode | Erode | 731[16] | 889,334[17] |
| Vellore | Vellore | 314.07[18] | 659,742[18] |
| Hosur | Krishnagiri | 1,071.79[19] | 501,609[20] |