Perambalur is a town in the Indian state of Tamil Nadu. It is the headquarters of Perambalur district and Perambalur taluk (sub-district). Perambalur district is bounded on the North by Cuddalore and Salem, South by Trichy, East by Ariyalur, West by Trichy and Salem. As of 2011 census, the town had a population of 49,648. There are a set of 11th century Buddhists images around the villages of Perambalur called Perambalur Buddhas.