Kolkata metropolitan area

Kolkata Metropolitan Area
Greater Kolkata
Kolkata skyline along Hooghly river
EM Bypass Kolkata
New Town, major satellite city and CBD of Kolkata
Interactive map of Kolkata Metropolitan Area
Country India
State West Bengal
Core cityKolkata
DistrictsKolkata
North 24 Parganas
South 24 Parganas
Howrah
Hooghly
Nadia
Government
 • BodyKolkata Metropolitan Development Authority
Area
 • Urban
1,056.13 km2 (407.77 sq mi)
 • Metro
1,876 km2 (724 sq mi)
Population
 (2011)
 • Estimate 
(2025)
21,100,000
 • Rank3rd in India
 • Urban
14,057,991
 • Urban density13,310.9/km2 (34,475.0/sq mi)
 • Metro
15,870,000
 • Metro density8,459/km2 (21,910/sq mi)
Time zoneUTC+5.30 (IST)
GDP PPPUS$220 billion
Nominal GDPUS$75 billion
Websitekmda.wb.gov.in

The 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).