Zhangye City Public Security Bureau Ganzhou Branch Nanjie Police Station. According to Baidu map information, Zhangye Ganzhou Market is located in Democratic East Street, East Street, Ganzhou District, Zhangye City, Gansu Province, and administratively belongs to Nanjie Police Station of Ganzhou Branch of Zhangye City Public Security Bureau. Zhangye City is a prefecture-level city under the jurisdiction of Gansu Province in People's Republic of China (PRC), located in the northwest of Gansu Province, with a city boundary area of 465,438+0,924 square kilometers.