Prayagraj (प्रयागराज Prayāgrāj), formerly Allahabad (इलाहाबाद Ilāhābād), is one of the holiest cities in India, is in Uttar Pradesh. The city is famous for being the site of the confluence of the holy rivers Ganges and Yamuna; and also the Hindu pilgrimage Kumbh Mela, the largest gathering of humans on the planet holding hundreds of millions of pilgrims every 12 years.
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