Kolkata Metropolitan Area (abbreviated KMA; formerly Calcutta Metropolitan Area), also known as Greater Kolkata, is the urban agglomeration of the city of Kolkata in the Indian state of West Bengal. It is the third most populous metropolitan area in India after Delhi and Mumbai. The area is administered by the Kolkata Metropolitan Development Authority (KMDA).
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Kolkata Metropolitan Region
Greater Kolkata
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Metropolitan Area
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 Biswa Bangla Gate at New Town
 EM Bypass Kolkata
 Kolkata skyline along Hooghly river
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| Country |  India |
| State |  West Bengal |
| Core city | Kolkata |
| Districts | Kolkata North 24 Parganas South 24 Parganas Howrah Hooghly Nadia |
| Government | |
| • Body | Kolkata Metropolitan Development Authority |
| Area | |
| • Total | 1,888 km2 (729 sq mi) |
| Population
(2023)
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| • Total | 15,870,000 |
| • Density | 24,000/km2 (60,000/sq mi) |
| • Metro rank | 3rd in India; 2nd in Bengal Region; 13th in Asia; 16th in the world |
| Time zone | UTC+5.30 (IST) |
| Website | kmda |
The area covers four municipal corporations along with 37 municipalities. Kolkata metropolitan district was legally defined in the schedule of the Calcutta Metropolitan Planning Area (Use and Development of Land) Control Act, 1965 (West Bengal Act XIV of 1965), and, after repeal of that Act, redefined as Kolkata metropolitan area in the first schedule of West Bengal Town and Country (Planning and Development) Act, 1979 (West Bengal Act XIII of 1979).
Jurisdiction
| Jurisdiction | ||
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| Settlements | Name | Total |
| Municipal Corporations | Kolkata, Bidhannagar, Howrah, Chandannagar | 4 |
| Municipalities |
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38 |
Demographics
According to the 2011 census data, the total population of the Kolkata metropolitan area was 14,112,536. KMDA report states the total area is 1,888 km2, making the population density 7,480 per km2.