also: にっぽんじゅう
noun, noun which may take the genitive case particle 'no'
throughout Japan; all over Japan
Refers to the whole of Japan as a geographical or cultural area. Often used with verbs of movement, occurrence, or fame.
そのニュースは日本中に広まった。
The news spread throughout Japan.
彼は日本中を旅した。
He traveled all over Japan.
Standard kanji spelling; the reading にほんじゅう is the most common.
Alternate reading にっぽんじゅう is also used, though less common than にほんじゅう.
Compound of 日本 (Japan) and 中 (inside, throughout). The suffix 中 (じゅう) indicates 'throughout' when attached to a place or time noun.