中日韩越

zhōng rì hán yuè

China, Japan, Korea, and Vietnam

zhōng

(bound form) China; Chinese

abbr. for 日本[Ri4 ben3], Japan

hán

Han, one of the Seven Hero States of the Warring States 戰國七雄|战国七雄

yuè

generic word for peoples or states of south China or south Asia at different historical periods