Perambalur district is a centrally located inland district of Tamil Nadu. It was trifurcated(thrice-divided) from Tiruchirappalli district and was formed on 1 November 1995. The district is bounded by Cuddalore district in the north, Tiruchirappalli district in the south, Ariyalur in the east and Namakkal and Tiruchirappalli districts in the west.