1) Hindu holy city 
Arunachala refers to the holy hill at Thiruvannamalai in Tamil Nadu. The hill is also known by the names Arunagiri, Annamalai Hill, Arunachalam, Arunai, Sonagiri and Sonachalam. It is one of the five main shaivite holy places in South India. The Annamalaiyar Temple, a temple of Lord Shiva is located at the base of the hill. Every year in the Tamil...