Cherthala, IPA: [t͡ʃeːrt̪ːɐlɐ], is a Municipal town and a Taluk located at National highway 66 in the district of Alappuzha, in the state of Kerala, India. Cherthala is the satellite town and industrial hub of Kochi.

National Highway 66, commonly referred to as NH 66, is a mostly 4 lane 1640 km long busy National Highway that runs roughly north–south along the western coast of India, parallel to the Western Ghats. It connects Panvel, a city east of Mumbai to Cape Comorin (Kanyakumari), passing through the states of Maharashtra, Goa, Karnataka, Kerala and Tamil Nadu.