- published: 16 Dec 2009
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Lanzhou (simplified Chinese: 兰州; traditional Chinese: 蘭州; pinyin: Lánzhōu; Postal map spelling: Lanchow) is the capital and largest city of Gansu Province in Northwest China. A prefecture-level city, it is a key regional transportation hub, allowing areas further west to maintain railroad connections to the eastern half of the country. Lanzhou is home to 3,616,163 inhabitants at the 2010 census and 2,177,130 in the built-up area (urban) on 1,088 km².
Originally in the territory of the Western Qiang peoples, Lanzhou became part of the territory of Qin (state) in the 6th century BC.
In 81 BC, under the Han dynasty (206 BC–220 AD), it was taken from the Huns' Huandi Chanyu and made the seat of Jincheng commandery (jùn), and later of the Jincheng county (xiàn), later renamed Yunwu. The city used to be called the Golden City, and since at least the first millennium BC it was a major link on the ancient Northern Silk Road, and also an important historic Yellow River crossing site. To protect the city, the Great Wall of China was extended as far as Yumen.
Coordinates: 38°0′N 102°20′E / 38°N 102.333°E / 38; 102.333
Gansu (help·info) (simplified Chinese: 甘肃; traditional Chinese: 甘肅; pinyin: Gānsù; Wade–Giles: Kan-su, Kansu, Kan-suh) is a province located in the northwest of the People's Republic of China.
It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east. The Yellow River passes through the southern part of the province.
Gansu has a population of 26 million (2009) and has a large concentration of Hui Chinese, and the historical home, along with Shaanxi of the dialect of the Dungans, who are Hui who migrated to Central Asia. The southwestern corner of Gansu is home to a large Tibetan population. The capital is Lanzhou, located in the southeast part of the province. Gansu is abbreviated as "甘" (Gān) or "陇" (Lǒng), and is also known as Long West or Long Right, in reference to the Long Mountain east of Gansu.