The Mahakumbh Mela 2025 will take place in Prayagraj (formerly known as Allahabad), Uttar Pradesh, India. Prayagraj is located at the confluence of three sacred rivers: the Ganges, the Yamuna, and the mythical Saraswati. This confluence, known as the Triveni Sangam, is considered one of the holiest spots in Hinduism.