Wuzhishan (Chinese: 五指山; pinyin: Wǔzhǐshān) is a county-level city in the south-central part of Hainan, a province of the People's Republic of China. Although called a "city", Wuzhishan refers to a large land area in Hainan - an area which was once a county. Within this area is the main city, Wuzhishan City. It was originally called Tōngzá (Chinese: 通什) and is located beside Wuzhi Shan, the mountain. The city's total area is 1129 square kilometres, and its population is 115,000 people. Its postal code is 572200, and its district number is 0898.