ISO 3166-2:JP is the entry for Japan in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g. provinces or states) of all countries coded in ISO 3166-1.

Currently for Japan, ISO 3166-2 codes are defined for 47 prefectures.

Each code consists of two parts, separated by a hyphen. The first part is JP, the ISO 3166-1 alpha-2 code of Japan. The second part is two digits (01–47), which is the Japanese Industrial Standard JIS X 0401 code of the prefecture. The codes are assigned roughly from north to south.

Current codes

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Map of Japan with each prefecture labelled with the second part of its ISO 3166-2 code (with leading digit 0 omitted)

Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).

Code Subdivision name (ja)
(ISO 3602:1989)
Subdivision name (ja)
[note 1]
Subdivision name (en)
JP-23   Aiti 愛知 Aichi
JP-05   Akita 秋田
JP-02   Aomori 青森
JP-38   Ehime 愛媛
JP-21   Gihu 岐阜 Gifu
JP-10   Gunma 群馬
JP-34   Hirosima 広島 Hiroshima
JP-01   Hokkaidô 北海道 Hokkaido
JP-18   Hukui 福井 Fukui
JP-40   Hukuoka 福岡 Fukuoka
JP-07   Hukusima 福島 Fukushima
JP-28   Hyôgo 兵庫 Hyogo
JP-08   Ibaraki 茨城
JP-17   Isikawa 石川 Ishikawa
JP-03   Iwate 岩手
JP-37   Kagawa 香川
JP-46   Kagosima 鹿児島 Kagoshima
JP-14   Kanagawa 神奈川
JP-39   Kôti 高知 Kochi
JP-43   Kumamoto 熊本
JP-26   Kyôto 京都 Kyoto
JP-24   Mie 三重
JP-04   Miyagi 宮城
JP-45   Miyazaki 宮崎
JP-20   Nagano 長野
JP-42   Nagasaki 長崎
JP-29   Nara 奈良
JP-15   Niigata 新潟
JP-44   Ôita 大分 Oita
JP-33   Okayama 岡山
JP-47   Okinawa 沖縄
JP-27   Ôsaka 大阪 Osaka
JP-41   Saga 佐賀
JP-11   Saitama 埼玉
JP-25   Siga 滋賀 Shiga
JP-32   Simane 島根 Shimane
JP-22   Sizuoka 静岡 Shizuoka
JP-12   Tiba 千葉 Chiba
JP-36   Tokusima 徳島 Tokushima
JP-13   Tôkyô 東京 Tokyo
JP-09   Totigi 栃木 Tochigi
JP-31   Tottori 鳥取
JP-16   Toyama 富山
JP-30   Wakayama 和歌山
JP-06   Yamagata 山形
JP-35   Yamaguti 山口 Yamaguchi
JP-19   Yamanasi 山梨 Yamanashi
Notes
  1. ^ For reference only—the Japanese name in kanji not included in the ISO 3166-2 standard.

See also

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