22 Japanese prefectures on Codexery, ranked by area: Fukushima Prefecture leads at 13,783.9 km², and the list runs down to Osaka Prefecture at 1,905 km². Every figure comes from the entry's cited source article, and each name links to its full Codexery page.
| Source | |||
|---|---|---|---|
| 1 | Fukushima Prefecture Japanese Prefectures | 13,783.9 km² | source |
| 2 | Niigata Prefecture Japanese Prefectures | 12,584.18 km² | source |
| 3 | Akita Prefecture Japanese Prefectures | 11,637 km² | source |
| 4 | Yamagata Prefecture Japanese Prefectures | 9,325 km² | source |
| 5 | Shizuoka Prefecture Japanese Prefectures | 7,777.42 km² | source |
| 6 | Okayama Prefecture Japanese Prefectures | 7,114 km² | source |
| 7 | Shimane Prefecture Japanese Prefectures | 6,708.26 km² | source |
| 8 | Tochigi Prefecture Japanese Prefectures | 6,408 km² | source |
| 9 | Ōita Prefecture Japanese Prefectures | 6,340 km² | source |
| 10 | Yamaguchi Prefecture Japanese Prefectures | 6,112 km² | source |
| 11 | Ehime Prefecture Japanese Prefectures | 5,676 km² | source |
| 12 | Aichi Prefecture Japanese Prefectures | 5,172.92 km² | source |
| 13 | Fukuoka Prefecture Japanese Prefectures | 4,986 km² | source |
| 14 | Wakayama Prefecture Japanese Prefectures | 4,724 km² | source |
| 15 | Yamanashi Prefecture Japanese Prefectures | 4,465 km² | source |
| 16 | Toyama Prefecture Japanese Prefectures | 4,247.61 km² | source |
| 17 | Fukui Prefecture Japanese Prefectures | 4,190 km² | source |
| 18 | Tokushima Prefecture Japanese Prefectures | 4,146 km² | source |
| 19 | Shiga Prefecture Japanese Prefectures | 4,017 km² | source |
| 20 | Tottori Prefecture Japanese Prefectures | 3,507.13 km² | source |
| 21 | Saga Prefecture Japanese Prefectures | 2,439 km² | source |
| 22 | Osaka Prefecture Japanese Prefectures | 1,905 km² | source |
Includes Japanese prefectures from Codexery codexes where at least 70% of entries are sourced and carry this field; an entry is listed only when the value shown appears in its own cited source article. Entries without a verifiable area are left out rather than estimated. Values are copied from structured data already on each Codexery page and re-checked against the linked source; nothing on this page is estimated or written by a model. Spot an error? Use “Suggest an edit” on the entry’s page.