East China Sea

part of the Pacific ocean between China and southern Japan

The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km². In China, the sea is called the East Sea. In South Korea, the sea is sometimes called "South Sea", but this is more often used to denote only the area near South Korea's southern coast.
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Noun
1. part of the Pacific Ocean near eastern Asia
(hypernym) sea
(part-holonym) Pacific, Pacific Ocean