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Approved by the State Council in 1996, it is a newly founded city directly under the jurisdiction of Jiangsu province. Taizhou administers four county-level cities——Jingjiang, Taixing, Jiangyan, Xinghua, and two districts——Hailing and Gaogang, which covers the total land area of 5,793 KM2 and has a population of 4.87 million.
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Not sure if the moat corresponds to one of the county-level cities or districts.
Cities 
This is Taizhou in the Jiangsu province.
According to
http://www.taizhou.gov.cn/PortalEnglish/Home/home.aspx
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Approved by the State Council in 1996, it is a newly founded city directly under the jurisdiction of Jiangsu province. Taizhou administers four county-level cities——Jingjiang, Taixing, Jiangyan, Xinghua, and two districts——Hailing and Gaogang, which covers the total land area of 5,793 KM2 and has a population of 4.87 million.
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Not sure if the moat corresponds to one of the county-level cities or districts.
You and your Chinese moats! I swear you'll be the death of me...
Actually, I rather enjoy knocking maps out of the Info Requested category. Must be the librarian in me...