Bodinayakkanur (bōˌdĭnäyəkˌənōrˈ) [key], town (1991 pop. 66,028), Tamil Nadu state, at the foot of the Eastern Ghats, SE India. A Bodinayakkanur state is said to have been established in 1336. The area was seized by Hyder Ali in 1776 and ceded to the British in 1793. The town is surrounded by hills. It is a market for cardamom, coffee, tea, silk, and cotton.