自汉代在今越南地区设置交趾郡及交州以来，交趾、交州就渐成为古代越南的代名词，直到唐设立安南都护府后，才被“安南”一词所代替。
Since the Han Dynasty established the county Jiaozhi and the state Jiaozhou in the region of Vietnam , the words " Jiaozhou " then became the pronoun of ancient Vietnam gradually .
交趾郡