The institute is located in serene surroundings of the foothills of Chamundi Hills. The campus houses three institutes –Administrative Training Institute (ATI), State Institute for Urban Development (SIUD) and Abdul Nazir Sab State Institute for Rural Development (ANSSIRD). In order to provide training to the officers for smooth functioning of the administrative machinery the Government of India set up the "Orientation Study Center" at Mysuru in 1959. This institute was handed over to Government of Mysuru in 1967 and the institute was renamed as Administrative Training Institute (ATI). The ATI is the apex training institute of the Government of Karnataka and caters mainly to the training needs of Group 'A' and Group 'B' officers of Karnataka. The training programs conducted on regular basis include Foundation Course for Gazetted Probationers of the State Civil Service, Orientation Course for IAS / IFS probationers allotted to the Karnataka Cadre, Refresher Course for in-service officers and course on Training of Trainers, Gender Sensitization, Financial Management, Legal aspects and Computer applications.

ATI has also been recognized by the Election Commission of India as the Regional Center for South India to impart training on Election matters.

A management committee under the chairmanship of Additional Chief Secretary, Government of Karnataka, guides the Institute in policy matters relating to Training and Administration. The Director General (Senior IAS Officer of the rank of Principal Secretary to the Government) heads the Institute. The Faculty members are drawn from various departments on deputation basis

The State Institute for Urban Development (SIUD) established in 1999 by the Urban Development Department under the umbrella of ATI caters to the training needs of officers, Officials and elected representatives of Urban Sector (ULBs and allied Urban Agencies).

The Abdul Nazeer Sab State Institute for Rural Development (ANSSIRD) established in 1989 has been conducting training for elected representatives of Panchayat Raj Institutions as well as officers of these Institutions. The institute is headed by a Director.