1.
East Asia
The eastern region of Asia, generally including Japan, China, South Korea, North Korea, Taiwan, and Mongolia.
Composed of 東 (east) + アジア (Asia). A standard geographical and geopolitical term used in academic, news, and everyday contexts. Also written as 東亜 in older or more formal texts, though that form can carry historical connotations from the wartime era.
Common collocations
- 東アジア地域 — East Asian region
- 東アジア諸国 — East Asian nations
- 東アジア文化 — East Asian culture
- 東アジア情勢 — East Asian situation/affairs