2. It is located between 3211′ ~ 42 57 ′ n and 9213 ′ ~108 46 ′ e, and most of it is located on the second step of Chinese topography. 3. It borders Shaanxi in the east, Sichuan in the south, Qinghai and Xinjiang in the west, Inner Mongolia and Ningxia in the north, and is adjacent to the Mongolian people.
History: During the pre-Qin period, China was divided into Kyushu, and Gansu Province was subordinate to Yong and Liang. In the Western Zhou Dynasty, the ancestors of Qin people settled in the eastern part of this province, that is, today's water area, and began a slow transition from nomadic economy to agricultural economy; Qin ruled the country and established 36 counties. Gansu still belongs to Longxi County and Beidi County. In the Western Han Dynasty, Wuwei County, Jiuquan County, Tianshui County, Anding County, Wudu County, Zhangye County, Dunhuang County and Jincheng County were added. In the Eastern Han Dynasty, it belonged to Liangzhou; The Three Kingdoms period followed the organizational system of the Eastern Han Dynasty. During the Western Jin Dynasty, it belonged to Liangzhou, Qin Zhou and Yongzhou. During the Southern and Northern Dynasties, Gansu was the ruling area of Northern Wei, Western Wei and Northern Zhou. Sui unified China and annexed counties. The whole province 16 counties, 76 counties. In the Tang Dynasty, counties were changed to roads, and provinces belonged to Guannei Road, Longyou Road and Shannan Road, and * * * governed 22 states. During the Northern Song Dynasty, when Xixia ruled Hexi, there was the Gansu Army Division. In Yuan Dynasty, Gansu Province was established as a book province. In the Ming dynasty, the province was changed into a division, and it was the chief secretary of Shaanxi Province, the capital of Shaanxi Province and the province of Shaanxi Province. In the Qing dynasty, the right chief secretary of Shaanxi was established, and later changed to the chief secretary of Gansu. 19 12 years, the whole province was divided into Ningxia (formerly Shuofang), Xining (formerly Haidong), Lanshan, Jingyuan (formerly Longdong), Weichuan (formerly Longnan), Ganliang (formerly Hexi) and An Su (formerly border). 1927 was a province, and Qinghai and Ningxia were divided into two provinces in 1929; On August 26th, 1949, Gansu administrative office was established; 1950 65438+ 10 On October 8th, Gansu Provincial People's Government was formally established, which now governs Gansu and western Inner Mongolia. 1954, according to the notice of the Ministry of Internal Affairs, the revoked Ningxia Province was merged into Gansu Province; 1957, Ningxia Hui Autonomous Region was established on the basis of 1929.