Xining is located in the center of China map, a little northwest of Xi 'an, and close to Hexi Corridor in Gansu. Xining, formerly known as xiping county and Tang Cheng, is a prefecture-level city and capital of Qinghai Province under the jurisdiction of the Chinese people. Located in the east of Qinghai Province, northeast of Qinghai-Tibet Plateau, at the intersection of Huangshui River and its three tributaries.