Arcot (Tamil: kadu) is a locality and part of Vellore city in the state of Tamil Nadu, India. Located on the eastern end of the Vellore city on the southern banks of Palar River at 12°54N 79°20E / 12.9°N 79.333°E / 12.9; 79.333, the city straddles a highly strategic trade route between Chennai and Bangalore, between the Mysore Ghat and the Javadi Hills - (Javvadhu malai). Its population in 1991 was 45,205; the surrounding area had a population of 114,760. In the 20th century,
Arcot declined in importance and was incorporated into Vellore District. Arcot has the tomb of famous 18th century Sufi Saint - Tipu Mastan Aulia. The story goes that from the blessings of Tipu Mastan Aulia, Hyder Ali had a son,(Tippu Sultan-Mysore king) whom he appropriately named after the saint.