Kakdwip is a town of the South 24 Parganas district in the Indian state of West Bengal. It is situated on the eastern banks of the Hooghly River. It is the headquarters of the Kakdwip subdivision.

Namkhana is a village and a gram panchayat within the jurisdiction of the Namkhana police station in the Namkhana CD block in the Kakdwip subdivision of the South 24 Parganas district in the Indian state of West Bengal.