Kalasapakkam is a town on the river bed of Cheyyar River and the headquarters of Kalasapakkam taluk in Tiruvannamalai district, Tamil Nadu, India. It has a population of 47,210 according to 2011 census. It has an area of 532 KM^2. It is one of the oldest towns of North Arcot District. Now the town is replaced by large-scale industries.

It is located at 12°25′0″N 79°6′0″E / 12.41667°N 79.10000°E / 12.41667; 79.10000 at an elevation of 181 m above MSL.

Kalasapakkam taluk has 45 village Panchayats. The Details of 45 Village Panchayats in Kalasapakkam Panchayat Union. Venkatampalayam, Veeralur, Vanniyanur, Thenpallipattu, Thenmagadevamangalam, Siruvallur, Singaravadi, Cholavaram, Sengaputheri, Cheetambattu, Poondi, Pillur, Pattiyanthal, Pathiyavadi, Pazhankovil, Padakam, Mottur, Melvilvarayanallur, Melpalur, Melarani, Melchozhankuppam, Mattavettu, Ladavaram, Kovilmadhimangalam, Keezhpothirai, Kilpalur, Kilkuppam, Kitampalaiyam, Kettavarampalaiyam, Kappalur, Kanthapalaiyam, Kampattu, Kaalur, Kalasapakkam, Kadaladi, Gangavaram, Kenkalamakatevi, Ernamangalam, Elathur, Thevarayanpalaiyam, Arunagirimankalam, Aniyalai, Anaivadi, Alangaramangalam, Aadhamangalam.

• Kadaladi

• Satellite image of Kalasapakkam
• Website of Kalasapakkam