Turpan is the hottest place in China and it's known also as Huo Zhou (a place as hot as fire).
The area around Turpan, the Turpan Depression is the lowest point in China and second lowest on Earth (after the Dead Sea) at 154 meters below sea level. In July and August temperatures soar to 40 ° C.
Turpan ( 吐鲁番, Tǔlǔfān ) is located in the east of Xinjiang. Turpan has long been the centre of a fertile oasis (with water provided by the karez canal system) and an important trade centre. It was historically located along the Silk Road, at which time it was adjacent to the kingdoms of Kroran and Yanqi. The name Turfan itself however was not used until the end of the Middle Ages - its use became widespread only in the post-Mongol period.
Turpan is located about 150 km (93 mi) southeast of Ürümqi, Xinjiang's capital, in a mountain basin, on the northern side of the Turpan Depression, at an elevation of 30 m (98 ft) above sea level. Outside of Turpan is a small volcanic cone, the Turfan volcano, that is said to have erupted in 1120 as described in the Song Dynasty.