<P> A dispute exists over the international name for the body of water which is bordered by Japan, Korea (North and South) and Russia . In 1992, objections to the name Sea of Japan were first raised by North Korea and South Korea at the Sixth United Nations Conference on the Standardization of Geographical Names . The Japanese government supports the exclusive use of the name "Sea of Japan" (日本 海), while South Korea supports the alternative name "East Sea" (Hangul: 동해; Hanja: 東海), and North Korea supports the name "Korean East Sea" (Chosŏn'gŭl: 조선 동해; Hancha: 朝鮮 東海). Currently, most international maps and documents use either the name Sea of Japan (or equivalent translation) exclusively, and far fewer maps include both the name Sea of Japan and East Sea, often with East Sea listed in parentheses or otherwise marked as a secondary name . The International Hydrographic Organization, the international governing body for the naming of bodies of water around the world, in 2012 decided not to change the current single name "Sea of Japan" rejecting South Korea's request to use "East Sea" together with "Sea of Japan". </P> <P> The involved countries (especially Japan and South Korea) have advanced a variety of arguments to support their preferred name (s). Many of the arguments revolve around determining when the name Sea of Japan became the common name . South Korea argues that historically the more common name was East Sea, Sea of Korea, or another similar variant . South Korea further argues that the name Sea of Japan did not become common until Korea was under Japanese rule, at which time it had no ability to influence international affairs . Japan argues that the name Sea of Japan has been the most common international name since at least the beginning of the 19th century, long before its annexation of Korea . Both sides have conducted studies of antiquarian maps, but the two countries have produced divergent research results . Additional arguments have been raised regarding the underlying geography of the sea as well as potential problems regarding the ambiguity of one name or the other . </P>

Which sea in east asia has two names
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