Adichunchanagiri, also called Mahasamsthana Math, is a hill township in Nagamangala Taluk, Mandya District, Karnataka State, India, 110 km west of Bangalore, the capital of Karnataka, India and 6 km from Bangalore-Mangalore National Highway 48, northerly to Bellur cross.

Sri Adichunchanagiri Mahasamsthana Math is situated on a rocky hill at an altitude of about 3,300 ft. above M.s.l.

It is the spiritual headquarters of the Natha Parampare and Jogi Cult of Hindus of Karnataka.

The Pancha Lingas, the Jwala Peetha, Sthambamba are all held in great reverence by the devotees.

The peak point of the Giri (hillock) is known as Akasha Bhairava and the sacred pond by the temple is Bindu Sarovara.