Kollam metropolitan area
Kollam metropolitan area is the 14th largest urban agglomeration in South India and 7th largest in Kerala. It is one of the 10 fastest growing cities in the world covering an area of 364.51 km (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. The metropolitan area, constituted on the basis of 2011 census data, consists of Kollam Municipal Corporation (Quilon), 2 municipalities, 22 Panchayaths and parts of 2 Panchayaths. The two municipalities are Paravur and Karunagappalli. The  21 Panchayaths are Adichanalloor, Adinad, Ayanivelikulangara, Chavara, Elampalloor, Kallelibhagom, Kottamkara, Kulasekharapuram, Mayyanad, Meenad, Nedumpana, Oachira, Panayam, Panmana, Perinad, Poothakkulam, Thazhuthala, Thodiyoor, Thrikkaruva, Thrikkovilvattom, and Vadakkumthala. Outgrowth of Neendakara, Eravipuram and Thrikkadavoor panchayaths are also included in the Kollam metropolitan area.