Zhangxian located in the southeastern part of
Gansu Province, the total area of 2164.4 square
kilometers, lying East West High-low, 1640-3941
m above sea level.zhang di Zhangxian in the
first year of the Eastern Han Dynasty (AD 78
years), when Gao County governance, because we
have the "western barrier," the impaired
reputation of County, the Tang Dynasty renamed
County Wu, Ming-Hong Wu years, and "Runzhang
shui whirl and eddy, Takaraiyu guo convenience"
and since renamed Zhangxian.