Old Zhang Guoyang County is located in his hometown. "Yuan and county County" and "world peace of mind" set, Fu Yang Old City in the northeastern city of 36 counties in the parent, the Department of the Western Han Dynasty established the county seat, is Peijun. 3 years of the beginning of Western Han Emperor Xuan (BC 71), this closure Wei Yin (Fu Yang Hou). This city in northwest Lao hometown Taiqing Palace, near the town of Gu Funing. Is the oldest one of the most Guoyang Old City.