Nagapattinam is one of the 30 administrative districts of Tamil Nadu carved out of the composite Thanjavur district.
The District head quarter 'Nagapattinam' is located on the eastern coast, 350 kilometers down south from the State
capital'Chennai' and 145 kilometers east, from Tiruchirappalli.The length of coastline is 187 kms.
The district shares common boundary with Cuddalore district on the North, Thanjavur district on the west, T
iruvarur district on the south and Bay of Bengal on the East..