Allahabad, officially known as Prayagraj, and also known as Illahabad and Prayag, is a city in the Indian state of Uttar Pradesh. It is the administrative headquarters of Allahabad districtв?”the most populous district in the state and 13th most populous district in Indiaв?”and the Allahabad division. <a href=https://www.comparitech.com/blog/information-security/securely-erase-hard-drive-sd-card-flash-drive/> Prayagrai </a> Allahabad, officially known as Prayagraj, and also known as Illahabad and Prayag, is a city in the Indian state of Uttar Pradesh. It is the administrative headquarters of Allahabad districtв?”the most populous district in the state and 13th most populous district in Indiaв?”and the Allahabad division.