The Indian Institute of Advanced Study (IIAS) is a renowned residential research institute located in Shimla, India. Established in 1965, it promotes free inquiry into significant themes in life and thought. The institute operates from the historic Viceregal Lodge, a site of great historical importance. It is primarily funded by the Ministry of Education and also generates revenue through publication sales and visitor fees.

IIAS focuses on multidisciplinary studies, encouraging both individual and collaborative research among its Fellows. The institute supports a maximum of 50 Fellows and emphasizes unstructured inquiry without formal degrees or classes. Key activities include seminars, symposia, and lectures, fostering interdisciplinary exploration. IIAS has produced over 450 publications, including a biannual journal dedicated to humanities and social sciences, contributing to its reputation as a center of high creativity and excellence.