Agra lies on the banks of the Yamuna River in Uttar Pradesh, northern India. The 2011 census recorded 1,585,704 residents in the city. A capital of the Mughal Empire under Akbar, Jahangir and Shah Jahan, it preserves a rich heritage from the 16th and 17th centuries. The Taj Mahal and Agra Fort have been UNESCO World Heritage Sites since 1983, and Fatehpur Sikri, the former capital founded by Akbar nearby, since 1986. Agra is also known for its crafts, notably marble inlay, leatherwork and footwear manufacturing, as well as petha, a sweet made from ash gourd. Tourism is a major activity.