Kulithalai is a municipality in Karur district & Sub-urb of Tiruchirapalli City in the Indian state of Tamil Nadu. The recorded history of Kulithalai is known from Cheras, followed by medieval Chola period of the 9th century and has been ruled, at different times, by the Medieval Cholas, Later Cholas, Later Pandyas, Vijayanagar Empire and the British.

Karur District is one of the 38 districts in the Indian state of Tamil Nadu. The main town in Karur District is the city of Karur, which is also the district headquarters. The district has a population of 1,064,493 with a sex-ratio of 1,015 females for every 1,000 males, according to 2011 census.