Gangasagar is a village and a gram panchayat in the Sagar CD block in the Kakdwip subdivision of the South 24 Parganas district in the Indian state of West Bengal.
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.