Cherthala (formerly Shertallai or Shertallay) is a town located in the district of Alappuzha, in the state of Kerala, India. It is located 30 km south of the city of Kochi and 22 km north of Alappuzha town, on the Kochi-Alappuzha streatch of both the National Highway 47 as well as the costal Rail-route.