Kollam Metropolitan Area is the 4th largest Metropolis in Kerala and 14th largest urban agglomeration in South India. It is one of the 10 fastest growing cities in the world covering an area of 364.51 km2 (2015) with a 31.1% urban growth between 2015 and 2020 as per the survey conducted by Economist Intelligence Unit (EIU) based on urban area growth during January 2020.