What is the name of the estuary surrounded by the delta containing Changzhou Island?
Changzhou Island Changzhou Island, formerly known in English as Dane or Dane's Island , is an island in the Pearl River Delta of China's Guangdong Province. It is now administered as part of Guangzhou's Huangpu District, although the historic Huangpu Island was nearby Pazhou, which forms part of Haizhu District.
Changle River The Chengle River (), in Zhejiang Province of East China, is one of the main tributaries of Cao'e River. It was formerly called Xijiang or West River (西江). The river is 70.5 km long and has a basin area of 864 km2 . It originates from Daoshangling Mountain (道尚岭, elevation 744 meters) in Dongyang, and is known as Lüxi River (绿溪江) and Heshan River (合山江) in Shengzhou. It joins the Chengtan River (upper stretch of the Cao'e River) after flowing through downtown Shengzhou.