Chengalpattu District is one of the 38 districts of Tamil Nadu, in India. The district headquarters is located at Chengalpattu. Chengalpattu district came into existence on 29 November 2019 when it was carved out of Kanchipuram district after the announcement about the bifurcation of districts on 18 July 2019.
Chengalpattu district has 16 district panchayat wards details of which are in 
Chengalpattu District has 12 Town Panchayats details of which are in 
Mudichur, Vandalur, Pozhichalur, Tirusulam, Cowl Bazaar, Medavakkam, Nanmangalam, Kovilambakkam, Agaramthen, Mappedu, Sithalapakkam, Kovilanchery, Ponmar, Mambakkam, Thalambur, Siruseri, Muttukadu, Vandalur, Urapakkam, Singaperumal Koil, Paranur, Kodur, Koovathur, Nedumaram, Seekinankuppam, Veerabogam, Manamai,Padur, Kolatthur Manampathy, Mullipakkam, Karumpakkam and Cheyyur.