Kolkata metropolitan region

Kolkata Metropolitan Area Greater Kolkata
Metropolitan Area
Kolkata skyline along Hooghly river Biswa Bangla Gate at New Town EM Bypass Kolkata Kalyani Expressway New Town, major satellite city and PBD of Kolkata
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
• Urban [1]	1,056.13 km2 (407.77 sq mi)
• Metro [2]	1,876 km2 (724 sq mi)
Population  (2011)
• Estimate  (2025)[4]	21,100,000[3]
• Rank	3
• Urban	14,057,991
• Urban density	13,000/km2 (34,000/sq mi)
• Metro [5]	15,870,000
• Metro density	8,500/km2 (22,000/sq mi)
Time zone	UTC+5.30 (IST)
GDP PPP	$220 billion[6]
Nominal GDP	₹8,442.05 billion (US$98 billion) [7][8]
Website	kmda.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).