Adi AnnamalaiAdhi Annamalai is a suburb of Thiruvannaamalai and selection grade town Panchayat in Thiruvannamalai Taluk.DemographicsIt has the population of 21,901 according to a 2010 census, which is 9.4% higher than the 2001 population.LandmarkAdi Annamalai or Adhi Annamalai temple also known as Ani Annamalai is situated in Thiruvannamalai. It is one of the shrines of the Vaippu Sthalams. It is found in the girivalam of Tiruvannamalai temple. It is found in the girivalam route of Arunachalesvara Temple.