Prayagraj, formerly and colloquially known as Allahabad, is a metropolis in the Indian state of Uttar Pradesh. The city is the judicial capital of Uttar Pradesh with the Allahabad High Court being the highest judicial body in the state. As of 2011, Prayagraj is the seventh most populous city in the state, thirteenth in Northern India and thirty-sixth in India, with an estimated population of 1.53 million in the city.

Prayagraj lies close to Triveni Sangam, the “three-river confluence” of the Ganges, Jamuna, and the mythical Sarasvati. It plays a central role in Hindu scriptures. The city finds its earliest reference as one of the world’s oldest known cities in Hindu texts and has been venerated as the holy city of Prayag in the ancient Vedas. Maharishi Bharadwaj heard Ram Katha from Bramharishi  Yagyavalkya for the first time in this city.

Prayagraj is an international tourism destination, second in terms of tourist arrivals in the state after Varanasi. The city is very well connected by Air and Rail, the city is known for the yearly month long bathing festival at the confluence  of these three rivers ,called Magh Mela Parv , six yearly bathing festival called Kumbh Mela Parv  and every twelve yearly bathing festival known as Mahakumbh or Poorn Kumbh Parv. Prayagraj in 2025 hosted the world’s largest event The Mahakumbh, the holy event which went on for 45 days, and was attended by approximately 600 Million people.