Gaighata is a community development block that forms an administrative division in Bangaon subdivision of North 24 Parganas district in the Indian state of West Bengal.

Situated on the banks of the river Jamuna, Gaighata is located at 22°56′N 88°44′E / 22.93°N 88.73°E / 22.93; 88.73.

Gaighata CD Block is bounded by Bangaon CD Block in the north, Sharsha Upazila in Jessore District of Bangladesh in the east, Swarupnagar and Habra I CD Blocks in the south and Haringhata CD Block in Nadia district in the west.

Gaighata CD Block is part of the Ichhamati-Raimangal Plain, one of the three physiographic regions in the district located in the lower Ganges Delta. It contains soil of mature black or brownish loam to recent alluvium. The Ichhamati flows through the eastern part of the district.

Gaighata CD Block has an area of 243.30 km². It has 1 panchayat samity, 13 gram panchayats, 201 gram sansads (village councils), 105 mouzas and 105 inhabited villages, as per the District Statistical Handbook: North 24 Parganas. Gaighata police station serves this block. Headquarters of this CD Block is at Chandpara Bazar.

Gram panchayats of Gaighata block/ panchayat samiti are: Chandpara, Fulsara, Jaleswar II, Sutia, Dharmapur I, Ichapur I, Jhaudanga, Dharmapur II, Ichapur II, Ramnagar, Duma, Jaleswar I and Shimulpur.

As per 2011 Census of India Gaighata CD Block had a total population of 330,287, of which 265,526 were rural and 64,761 were urban. There were 169,216 (51%) males and 161,071 (49%) females. Population below 6 years was 29,228. Scheduled Castes numbered 162,281 (49.13%) and Scheduled Tribes numbered 14,432 (1.76%).

As per 2001 census, Gaighata block has a total population of 300,418 out of which 177,515 were males and 166,459 were females.