The two administrative systems prevailing in the Chengannur are Revenue and local self-government. As per the revenue system, Chengannur is one of the two revenue divisions of Alappuzha district. The Chengannur revenue division comprises Karthikapally, Chengannur and Mavelikkara taluks consisting of a total of 44 villages. Under the local self-government system, Chengannur is divided into 1 statutory town and development blocks consisting of 11 panchayats.