日南郡 Traditional form: 日南郡 Pinyin (reading): Rìnánjùn Definitions: Han dynasty province in Vietnam Characters: 日 - sun; day; daytime 南 - south; southern; southward 郡 - county, region, administrative division Traditional characters: 日 - sun; day; daytime 南 - south; southern; southward 郡 - county, region, administrative division