Zhejiang:

Zhejiang (helpinfo), formerly romanized as Chekiang, is an eastern coastal province of China. Zhejiang is bordered by Jiangsu province and Shanghai municipality to the north, Anhui province to the northwest, Jiangxi province to the west, and Fujian province to the south; to the east is the East China Sea, beyond which lie the Ryukyu Islands of Japan.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Which body of water is to the east of Zhejiang?
East China Sea