Karur is the administrative headssquarters of Karur District in the South Indian state of Tamil Nadu. Karur is the district formed after independence and Located on the banks of River Amaravathi and River Kaveri, it has been ruled, at different times, by the Chera, Vijayanagar Empire, Madurai Nayaks, Hyder Ali, Carnatic kingdom, and the British. It is located at a distance of 420 kilometres (261 mi) southwest of the state capital Chennai. Karur is the district located "HEART" of Tamil Nadu. i.e Karur is centre of Tamil Nadu and equally distance to all around Tamil Nadu districts & quick reach by Road ways. It is well worldwide known for Hand looms, Power loom textile products, TN Govt undertaken Paper factory TNPL, Chettinad Cement Factory, EID Parry Sugar factory and World wide exports of Bus body building work industries.The leading private rating banks Karur Vysya Bank commonly called KVB and Lakshmi Vilas Bank commonly called LVB have their headquarters (H.Q) in Karur.

Karur is a part of Karur constituency and elects its member of legislative assembly every five years, and a part of the Karur constituency that elects its member of parliament. The town is administered by a municipality established in 1874 as per the Municipal Corporation Act. The town covers an area of 10.96 km² (4.23 sq mi) and had a population of 2,62,570 peoples. Roadways are the major mode of transportation to the town, but Karur also has rail connectivity. The nearest airport is Tiruchirapalli International Airport, located 77 km (48 mi) east from Karur.