Shangri-La Garden. Zhangshu City is a county-level city under the jurisdiction of Jiangxi Province, which is managed by Yichun City. Located in the middle of Jiangxi Province, on the southern edge of Poyang Lake Plain, on both banks of the middle reaches of Ganjiang River, between 1 15 06' 33 "and1/542' 23" east longitude. There are many communities in the city, the cheapest of which is located in the new site of Zhangshu Municipal Government.