Tumen, county-level city in Yanbian Korean Autonomous Prefecture 延邊朝鮮族自治州|延边朝鲜族自治州[Yan2 bian1 Chao2 xian3 zu2 Zi4 zhi4 zhou1], Jilin
Definitions (Wiktionary)
name
Tumen (a county-level city in Yanbian, Jilin, China)
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Tumen, Tuman (a river forming the border between North Korea and Russia, and forming the northern part of the border between China and North Korea)