Guanghan is a county-level city under the administration of Deyang in Sichuan province, southwest China, and only 23 kilometres from Chengdu. The predominant industries are tourism, pharmaceuticals and the supply of building material. Guanghan has an area of 538 km2, a population of 626,132, with urban population of 368,933. A major part of the tourism is the nearby Sanxingdui ruins.