Data Darbar, located in the city of Lahore, Punjab, Pakistan is the largest Sufi shrine in South Asia. It was built to house the remains of the Muslim mystic, Abul Hassan Ali Hujwiri, commonly known as Data Ganj Baksh, who is believed to have lived on the site in the 11th century CE. The site is considered to be the most sacred place in Lahore, and attracts up to one million visitors to its annual urs festival.