The largest number of Buddhists in India is found in Maharashtra. Maharashtra is home to several prominent Buddhist sites such as Ajanta and Ellora Caves, which attract a significant number of Buddhist pilgrims and tourists. Additionally, the state has a significant Buddhist population, with cities like Mumbai, Pune, and Nagpur having Buddhist communities and monasteries. While Bihar and Uttar Pradesh have historical significance for Buddhism due to the presence of important Buddhist sites like Bodh Gaya and Sarnath, respectively, in terms of the largest number of Buddhists, Maharashtra has a larger population. Karnataka also has Buddhist communities, but the largest concentration is found in Maharashtra.