Zhangjiajie (simplified Chinese: span>; traditional Chinese: span>; pinyin: is a prefecture-level city in the northwestern part of Hunan province in China. It comprises the districts of Yongding  Cili and Sangzhi counties. Within it is located Wulingyuan Scenic Area which was designated a UNESCO World Heritage Site in 1992. The estimated population of Zhangjiajie, as of 2002, is 1,568,200.