Allahabad (/əˈlɑːhəbɑːd/), also known as Prayag प्रयाग (/prəˈjɑːɡ/) and Ilahabad, is a city in the Indian state of Uttar Pradesh and the administrative headquarters of Allahabad District, the most populous district in the state. As of 2011, Allahabad is the seventh most populous city in the state, fifteenth in the Northern India and thirty-sixth in India, with an estimated population of 1.11 million in the city and 1.21 million in its metropolitan region. In 2011 it was ranked the world's 130th fastest-growing city. Allahabad, in 2013, was ranked the third most liveable city in the state (after...