Thiruvarur district in the context of Districts of Tamil Nadu

Mannargudi (Tamil pronunciation: [mannaːrgɯɖi]) is a Municipality in Thiruvarur district in the Indian state of Tamil Nadu. It is the headquarters of the Mannargudi taluk. The town is located at a distance of 28 km (17 mi) from the district headquarters Thiruvarur, 12 km from Needamangalam, 36 km from Kumbakonam, 40 km from Thanjavur, and 310 km (190 mi) from the state capital Chennai. Mannargudi is known for the Rajagopalaswamy temple, a prominent Vaishnavite shrine.

Mannargudi was founded as an agraharam village by the Medieval Cholas during the 7th century A.D. The town was subsequently ruled by various dynasties including the Chola king Rajadhiraja Chola (1018–1054 CE), Vijayanagar Empire, Delhi Sultanate, Thanjavur Nayaks, Thanjavur Marathas and the British Empire. Mannargudi was a part of the erstwhile Tanjore district until India's independence in 1947 and Thanjavur district until 1991. It subsequently became a part of the newly formed Tiruvarur district. The town is known for agriculture, metal working and weaving. The region around Mannargudi has considerable mineral deposits.

Mannargudi taluk is a taluk in Thiruvarur district of the Indian state of Tamil Nadu. The headquarters of the taluk is the town of Mannargudi.

Thiruvarur (Tamil: [t̪iɾuʋaːɾuːɾ]) also spelt as Tiruvarur is a municipality in the Indian state of Tamil Nadu. It is the administrative headquarters of Thiruvarur district and Thiruvarur taluk. The temple chariot of the Thyagaraja temple, weighing 360 tonnes (790,000 lb) and measuring 96 feet (29 m) tall is the largest temple chariot in India. Thiruvarur is the birthplace of Tyagaraja, Muthuswami Dikshitar and Syama Sastri, popularly known as the Trinity of Carnatic music of the 18th century CE. Thiruvarur Thiyagarajaa Swaamy temple is older than Tanjore big temple.

Thiruvarur was a part of Thanjavur district until 1991. The Odambokki river passes through the centre of the town. Thiruvarur covers an area of 10.47 km (4.04 sq mi) and had a population of 58,301 as of 2011. Out of total population of Tiruvarur, 1,403,348 in the district, 257,795 are in urban area and 1,006,482 are in rural area. 65,220 households are in urban, 261,999 are in rural area. It is administered by a selection grade municipality. The town is a part of the Cauvery delta region and agriculture is the major occupation. Roadways are the major means of transportation with a total of 94.06 km (58.45 mi) of district roads including three national highways passing through the town. The town was one of the five traditional capitals of the Chola empire, with one of the emperors of the dynasty, Kulothunga Chola I, having it as his capital. The town is believed to be of significant antiquity and has been ruled, at different times, by the Medieval Cholas, Later Cholas, Later Pandyas, Vijayanagar Empire, Thanjavur Nayaks, Marathas and the British. The town is known for the Thyagaraja temple, and the largest annual chariot festival in Asia, held in the month of April.

Needamangalam or Nidamangalam, is a town panchayat in Thiruvarur district in the Cauvery Delta of the Indian state of Tamil Nadu. Needamangalam was originally part of the composite Tanjore Dist during the British Raj period until 1997. In the 18th and 19th century, it was also called Yamunambalpuram. Needamangalam is the headquarters of the Needamangalam Taluk. The town is located 30 km east of Thanjavur, 80 km east of Tiruchirappalli and 318 km south of Chennai. Needamangalam is a junction for two busy highways, National Highway 67 and State Highway SH 66.