Districts of Central Tamil Nadu include districts like Ariyalur district, Karur District, Nagapattinam district, Perambalur District, Pudukkottai District, Thanjavur District, Tiruchirapalli District and Thiruvarur district.

Ariyalur District
Ariyalur district is an administrative district in the state of Tamil Nadu. The district headquarters is located at Ariyalur. The district encompasses an area of 1,949.31 square km and had a population of 752,481. Ariyalur district became famous in 2008, when theft of 8 idols were discovered from a 9th-century Brihadeeswarar Temple at Gangai Konda Cholapuram was discovered by Archaeological Survey of India. The two of the stolen statues were consequently returned and are now displayed in the Government Museum at Kumbakonam.

Karur District
Karur District is a district located very centrally along the Kaveri and Amaravathi rivers of Tamil Nadu. The main town in Karur District is the city of Karur, which is also the district headquarters. Mayanur is one of the famous tourist attractions in Karur District. It is situated on the bank of Kaveri River, and it comes under Krishnarayapuram Taluk's administration of Tamil Nadu. In the ancient medieval period, it is believed to have been a tri-junction midpoint of Chera Dynasty, Chola Dynasty and Pandiya dynasty. The Madukkarai Wall is a historic border fortification demarcating the boundaries of the three ancient kingdoms.

Nagapattinam District
Nagapattinam district is a coastal district of Tamil Nadu. The town of Nagapattinam is the district headquarters.

Perambalur District
Perambalur District is an administrative district in the state of Tamil Nadu. The district headquarters is located at Perambalur. The district occupies an area of 1,752 sq km and had a population of 565,223 with a sex-ratio of 1,003 females for every 1,000 males in 2011.

Pudukkottai District
Pudukkottai District is a district of Tamil Nadu state. The city of Pudukkottai is the district headquarters. It is also known colloquially as Pudhugai. Pudukkottai district is one of the least urbanised districts in Tamil Nadu.

Thanjavur District
Thanjavur District is one of the 32 districts of the state of Tamil Nadu. Its headquarters is Thanjavur.

Tiruchirapalli District
Tiruchirapalli District is located along the Kaveri River in Tamil Nadu. The main town in Tiruchirappalli District is the city of Tiruchirappalli, also known as Trichy. During the rule of British East India Company, Tiruchirappalli was known as Trichinopoly, and was a district of the Madras Presidency; it was renamed upon India's declaration of independence in 1947.

Thiruvarur District
Thiruvarur district is one of 32 districts in the Tamil Nadu. Thiruvarur district occupies an area of 2161 square km. It lies between Nagapattinam district on the east and Thanjavur District on the west, and is bounded by the Palk Strait on the south. The district headquarters is at Thiruvarur town.