Jixi is a city in southeastern Heilongjiang Province, People's Republic of China. At the 2010 census, 1,862,161 people resided within its administrative area of 22,351 square kilometres (8,630 sq mi) and 757,647 in its built up area made of 4 out of 6 urban districts (including Jiguan, Didao, Hengshan and Chengzihe). Jixi is on Muling River about 30 km (19 mi) from the border with Russia and 120 km (75 mi) from Khanka Lake. The mayor of Jixi is Zhu Deyi since July 2009. The area is one of the important coal mining base in China. A crater on asteroid 253 Mathilde was named after the city.
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