China · Shanghai
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Hudouzhou Island (Chinese: 胡逗洲; pinyin: Húdòuzhōu) was a sandbar island in Yangtze River Delta. The island was inhabited by Chinese during the 5th century AD and used as a penal colony where criminals were sent to work in salt fields. The settlement of Tongzhou (Chinese: 通州; pinyin: Tōngzhōu), which developed into modern day Nantong, was founded on Hudouzhou. In the late Tang period, Hudouzhou ceased to exist as an island when it merged with land on the north bank of the Yangtze River, and the territory...
Capacity
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Current population
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Occupancy
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Year opened
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Operational
Figures from official sources · verified 6 Jul 2026 · methodology
Operator
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Population held
Mixed/unknown
Opened
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Region
Shanghai
Security level
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Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
No public contact details available.
Derived signal — not a judgement. How it's calculated
Same country, matched on type + security level where possible.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Every material update we've logged for this prison in the last 30 days. Full feed at /whats-new.
New facility added: Hudouzhou
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Hudouzhou. Retrieved July 21, 2026, from https://worldprisons.com/prisons/hudouzhou
"Hudouzhou." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/hudouzhou.
@misc{worldprisons-hudouzhou,
author = {{World Prisons}},
title = {Hudouzhou},
year = {2026},
url = {https://worldprisons.com/prisons/hudouzhou},
urldate = {2026-07-21}
}