Shanshan County as the official romanized name, also transliterated from Uyghur as Piqan County, is a county within the Xinjiang Uyghur Autonomous Region and is under the administrative jurisdiction of the prefecture-level city of Turpan. It contains an area of 39,548 km2 (15,270 sq mi), occupying the eastern majority of Turpan. According to the 2002 census, it has a population of 210,000.

Turpan is a prefecture-level city located in the east of the autonomous region of Xinjiang, China. It has an area of 69,759 square kilometres (26,934 sq mi) and a population of 693,988 (2020).