Claim: Quanshan, in Xuzhou, a major northwestern city in Jiangsu, China and also known as Pengcheng, has a total population of 732,300 residents in 2018 and covers a land area of 100 km (40 sq mi).
Evidence: Quanshan (Chinese: 泉山; pinyin: Quánshān) is a town of Minle County in a large oasis of the Gobi Desert in east-central Gansu province, China, located 32 kilometres (20 mi) northeast of the county seat. As of 2011, it has one residential community (居委会) and 12 villages under its administration. Xuzhou (徐州), also known as Pengcheng (彭城) in ancient times, is a major city in northwestern Jiangsu province, China. Quanshan District (simplified Chinese: 泉山区; traditional Chinese: 泉山區; pinyin: Quánshān Qū; lit. 'spring mountain') is one of six districts of Xuzhou, Jiangsu province, China.