🇯🇵National local public-authority codes

Browse Japan's prefecture and municipality codes.

Based on the Japanese Ministry of Internal Affairs national local public-authority codes (JIS X 0402): 47 prefectures, sub-prefectures and divisions, districts, municipalities, and designated-city wards.

2026 edition

Administrative divisions

Prefectures47 Sub-prefectures and divisions14 Districts (gun)376 Municipalities1,754 Designated cities20 Designated-city wards171 Partial administrative associations1,557

History

Code revision list1,447