Haidong City is a prefecture-level city under the jurisdiction of Qinghai Province, located in the eastern part of Qinghai Province.
It is named because it is located east of Qinghai Lake. The Yellow River runs across the south, the Huangshui River runs through the middle, and the Datong River runs through the north. The city has a total area of 13,200 square kilometers and the municipal government is located in Ledu District.
Haidong City borders Haibei Prefecture in the north, Xining City and Hainan Prefecture in the northwest, Huangnan Prefecture in the southwest, Gannan Prefecture and Linxia Prefecture of Gansu Province in the southeast, Lanzhou City of Gansu Province in the east, and Wuwei City of Gansu Province in the northeast.
Haidong City is with a long history. There was humans living as early as the Neolithic Stone Age. Many sites of Majiayao Culture, Qijia Culture, Xindian Culture and Kayo Culture have been discovered.
National key units
Qutan Temple （Drotsang Monastery）
Quezang Temple （Chubzang Ganden Migyurling）
Red Army (West Road) Revolutionary Site on Xunhua
Wendu Temple and the former residence of the Panchen Lama
Dandou Temple （Detsa Tashi Choding Monastery）
Youning Temple （Gonlung Jampaling）
The ancient buildings of the Salar mosque
Tianyoude Wine Workshop
There are 2 municipal districts and 4 autonomous counties under Haidong City’s jurisdiction.
Geography and climate
Haidong City is about 125 kilometers long from east to west and 180 kilometers wide from north to south with an altitude of 1650-2835 meters above sea level
Haidong City belongs to the transitional mosaic zone from the Loess Plateau to the Qinghai-Tibet Plateau.
Haidong City is high cold, arid, long sunshine time, strong solar radiation, large temperature difference between day and night, small temperature difference between winter and summer, large difference in climate geographical distribution, obvious vertical changes, temperature decreases with altitude, and heavy rainfall increases with altitude. .
The northern regions and mountainous areas above 3000 meters above sea level are relatively cold, and the Yellow River and Huangshui River valleys at 1700-2500 meters above sea level are relatively warm.
The annual average temperature is about 3.2℃-8.6℃, the highest temperature is 25.1℃-33.5℃, and the lowest temperature is about -18.8℃-25.1℃. The annual average heavy rainfall is 319.2-531.9 millimeters, mostly concentrated between July and September. The frost-free period is about 90 days
Population and ethnic group
As of the end of 2017, Haidong City had a permanent population of 1,470,800, and there were ethnic minorities dominated by Hui, Tibetan, Tu, Salar, and Mongolian. Among the permanent population, the Han population is 778,305, accounting for 55.72%; the ethnic minority population is 618,541, accounting for 44.28%. Among them: 132,381 Tibetans, accounting for 9.48%; 273,672 Hui, accounting for 19.59%; 115,008, Tus, accounting for 8.23%; 89,741, Salars, accounting for 6.42%; 6,242, Mongolians, accounting for 0.45%; 1,497 other ethnic minorities, Accounted for 0.11%.
In the Neolithic Age, there were human inhabitants
In 121 BC, the Han Dynasty set up a military fort to guard against Qiang tribe’s invasion.
In 111 BC, the Han Dynasty began to build Xining City, Haidong area was to be the Guard fort
In 61 BC, Haidong area was officially included in the prefecture system of the Han Dynasty.
In 213 AD, The west of Haidong area became part of Xiping County
During the Sui and Tang dynasties, Haidong area once became the political and military center of the northwestern region.
After the An-Shi Rebellion, Haidong area was under control of Tubo kingdom for nearly a hundred years.
In 1097 AD, the Song Dynasty army invaded and occupied the Haidong area, .
In 1104 AD, the Jiao Si Luo regime fell, and the Song Dynasty changed Shanzhou to Xining Prefecture.
In 1119 AD, After the fell of the Northern Song Dynasty, Jin and Xixia kingdom occupied the Haidong area for about a century.
In 1227 AD, Haidong area was incorporated into the Mongolian Khanate.
In 1261 AD, Haidong area was under jurisdiction of Xining Prefecture.
In 1281 AD, Xining Prefecture was governed by Gansu province
In 1291 AD, Hui people migrated into Qinghai, and part of them were cultivated in Haidong area
During the Ming and Qing dynasties, Haidong area was under the jurisdiction of Xining Wei
In 1978, with the approval of the State Council, Ping An County was established from Huangzhong County, and the Haidong Region was established to govern Minhe, Ledu, Huangzhong, Huangyuan, Pingan counties, Huzhu Tuzu Autonomous County, Hualong Hui Autonomous County, Xunhua Salar Autonomous County.
In 2013, Haidong Region was abolished, Haidong City was to establish, and the Haidong Municipal Government moved from Ping An County (now Ping An District) to the newly established Ledu District