Kumbakonam, also spelt as Coombaconum in the records of British India, is a town and a special grade municipality in the Thanjavur district in the southeast Indian state of Tamil Nadu. It is located from Thanjavur and from Chennai and is the headquarters of the Kumbakonam taluk of Thanjavur district. The town is bounded by two rivers, the Kaveri River to the north and Arasalar River to the south. According to the 2011 census, Kumbakonam has a population of 140,156 and has a strong Hindu majority; but it also has sizeable Muslim and Christian populations. Kumbakonam is known as a "temple town" due to the prevalence of a number of temples here and is noted for its Mahamaham festival which attracts people from all over the globe. Kumbakonam dates back to the Sangam period and was ruled by the Early Cholas, Pallavas, Medieval Cholas, Later Cholas, Pandyas, the Vijayanagar Empire, Madurai Nayaks, Thanjavur Nayaks and the Thanjavur Marathas. It rose to be a prominent city between the 7th and 9th centuries AD, when it served as a capital of the Medieval Cholas. The town reached the zenith of its prosperity during the British Raj when it was a prominent centre of European education and Hindu culture; and it acquired the cultural name, the "Cambridge of South India". In 1866, Kumbakonam was officially constituted as a municipality, which today comprises 45 wards, making it the second largest municipality in Thanjavur district.