Bhasa is a census town within the jurisdiction of the Bishnupur police station in the Bishnupur I CD block in the Alipore Sadar subdivision of the South 24 Parganas district in the Indian state of West Bengal.

The Alipore Sadar subdivision is the most urbanized part of the South 24 Parganas district.

In the southern portion of the subdivision (shown in the map alongside) there are 15 census towns.

The entire district is situated in the Ganges Delta and the subdivision, on the east bank of the Hooghly River, is an alluvial stretch, with industrial development.

Among the civic amenities, the protected water supply involved over-head tank and service reservoir.