So, Japan is a country located in East-Asia.
It is composed of 4 islands : Honshu ( the biggest ), Hokkaido, Kyushu and Shikoku.
Its capital is Tokyo, with 12 000 000 inhabitants.
The national language is Japanese, spoken by around 127 463 611 inhabitants.
Its surface is 377 835 km².
There are 47 departments : Aichi, Akita, Aomori, Chiba, Ehime, Fukui, Fukuoka, Fukushima, Gifu, Gunma, Hiroshima, Hokkaidô, Hyôgo, Ibaraki, Ishikawa, Iwate, Kagawa, Kagoshima, Kanagawa, Kôchi, Kumamoto, Kyôto, Mie, Miyagi, Miyazaki, Nagano, Nagasaki, Nara, Niigata, Ôita, Okayama, Okinawa, Ôsaka, Saga, Saitama, Shiga, Shimane, Shizuoka, Tochigi, Tokushima, Tôkyô, Tottori, Toyama, Wakayama, Yamagata, Yamaguchi and Yamanashi.