Shengsi may refer to:
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Shengsi County
Shengsi County is a county in the northeast of Zhejiang province in China consisting of an archipelago islands located to the east of Hangzhou Bay. It is under the administration of Zhoushan City and is the easternmost county-level division in ...
, in Zhejiang, China
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Shengsi Islands
The Shengsi Islands or Archipelago () are part of the Zhoushan Archipelago and located south of the mouth of the Yangtze (east of Hangzhou Bay). They comprise 394 islands, each with an area larger than , but of which just 18 are inhabitable. The ...
, in Zhoushan, Zhejiang, China
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