List of Japanese prefectures by area

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For details of administrative divisions of Japan, see Prefectures of Japan.

Prefectures of Japan ranked by area as of October 1, 2015[edit]

Figures here are according to the official estimates of Japan.[1] Ranks are given by estimated areas. Undetermined areas here account for domestic boundary regions either in uncertainty or disputed among Japanese prefectures.

Rank Prefecture Japanese Estimated
Area
(km2)[2] 		Determined
Area
(km2)[3] 		Undetermined
Area
(km2)[4] 		Population Density
(/km2) 		Inhabitable Area[citation needed] Forest
Area
(%)[citation needed] 		Capital
(km2) Density
(/km2)
1 Hokkaido 北海道ほっかいどう 83,424.31 83,424.31 5,381,733 64.51 22,372.86 240.55 63.8% Sapporo
2 Iwate 岩手いわて県けん 15,275.01 15,275.01 1,279,594 83.77 3,714.01 344.53 74.9% Morioka
3 Fukushima 福島ふくしま県けん 13,783.74 13,783.74 1,914,039 138.86 4,217.02 453.88 67.9% Fukushima
4 Nagano 長野ながの県けん 13,561.56 13,104.29 457.27 2,098,804 154.76 3,225.52 650.69 75.5% Nagano
5 Niigata 新潟にいがた県けん 12,584.10 10,363.99 2,220.11 2,304,264 183.11 4,535.27 508.08 63.5% Niigata
6 Akita 秋田あきた県けん 11,637.54 11,637.54 1,023,119 87.92 3,204.39 319.29 70.5% Akita
7 Gifu 岐阜ぎふ県けん 10,621.29 9,768.57 852.72 2,031,903 191.30 2,211.13 918.94 79.0% Gifu
8 Aomori 青森あおもり県けん 9,645.59 9,645.59 1,308,265 135.63 3,229.50 405.10 63.8% Aomori
9 Yamagata 山形やまがた県けん 9,323.15 6,651.83 2,671.32 1,123,891 120.55 2,884.80 389.59 68.7% Yamagata
10 Kagoshima 鹿児島かごしま県けん 9,186.94 9,042.65 144.29 1,648,177 179.40 3,312.81 497.52 63.4% Kagoshima
11 Hiroshima 広島ひろしま県けん 8,479.45 8,479.45 2,843,990 335.40 2,310.91 1,230.68 71.8% Hiroshima
12 Hyogo 兵庫ひょうご県けん 8,400.96 8,400.96 5,534,800 658.83 2,782.95 1,988.82 66.7% Kobe
13 Shizuoka 静岡しずおか県けん 7,777.42 7,252.60 524.82 3,700,305 475.78 2,749.49 1,345.82 63.1% Shizuoka
14 Miyazaki 宮崎みやざき県けん 7,735.31 6,794.24 941.07 1,104,069 142.73 1,849.87 596.84 75.8% Miyazaki
15 Kumamoto 熊本くまもと県けん 7,409.35 7,272.41 136.94 1,786,170 241.07 2,796.13 638.80 60.4% Kumamoto
16 Miyagi 宮城みやぎ県けん 7,282.22 6,858.62 423.60 2,333,899 320.49 3,154.83 739.79 55.9% Sendai
17 Okayama 岡山おかやま県けん 7,114.50 7,010.92 103.58 1,921,525 270.09 2,218.89 865.98 68.0% Okayama
18 Kochi 高知こうち県けん 7,103.93 7,103.93 728,276 102.52 1,163.18 626.11 83.3% Kōchi
19 Shimane 島根しまね県けん 6,708.24 6,708.24 694,352 103.51 1,298.92 534.56 77.5% Matsue
20 Tochigi 栃木とちぎ県けん 6,408.09 6,408.09 1,974,255 308.09 2,982.76 661.89 53.2% Utsunomiya
21 Gunma 群馬ぐんま県けん 6,362.28 6,362.28 1,973,115 310.13 2,279.36 865.64 63.8% Maebashi
22 Oita 大分おおいた県けん 6,340.71 5,100.28 1,240.43 1,166,338 183.94 1,798.91 648.36 70.6% Oita
23 Yamaguchi 山口やまぐち県けん 6,112.30 6,112.30 1,404,729 229.82 1,706.74 823.05 71.6% Yamaguchi
24 Ibaraki 茨城いばらき県けん 6,097.06 6,097.06 2,916,976 478.42 3,974.86 733.86 31.0% Mito
25 Mie 三重みえ県けん 5,774.40 5,758.66 15.74 1,815,865 314.47 2,059.17 881.84 64.3% Tsu
26 Ehime 愛媛えひめ県けん 5,676.11 5,676.11 1,385,262 244.05 1,673.14 827.94 70.3% Matsuyama
27 Aichi 愛知あいち県けん 5,172.48 5,123.48 49.00 7,483,128 1,446.72 2,987.77 2,504.59 42.2% Nagoya
28 Chiba 千葉ちば県けん 5,157.65 5,082.90 74.75 6,222,666 1,206.49 3,554.37 1,750.71 30.4% Chiba
29 Fukuoka 福岡ふくおか県けん 4,986.40 4,854.20 132.20 5,101,556 1,023.09 2,761.41 1,847.45 44.5% Fukuoka
30 Wakayama 和歌山わかやま県けん 4,724.69 4,724.69 963,579 203.95 1,115.11 864.11 76.4% Wakayama
31 Kyoto 京都きょうと府ふ 4,612.19 4,612.19 2,610,353 565.97 1,173.81 2,223.83 74.2% Kyoto
32 Yamanashi 山梨やまなし県けん 4,465.27 4,253.95 211.32 834,930 186.98 954.38 874.84 77.8% Kōfu
33 Toyama 富山とやま県けん 4,247.61 2,045.94 2,201.67 1,066,328 251.04 1,842.82 578.64 56.6% Toyama
34 Fukui 福井ふくい県けん 4,190.49 4,190.49 786,740 187.74 1,077.27 730.31 73.9% Fukui
35 Ishikawa 石川いしかわ県けん 4,186.09 4,186.09 1,154,008 275.68 1,391.86 829.11 66.0% Kanazawa
36 Tokushima 徳島とくしま県けん 4,146.65 4,146.65 755,733 182.25 1,010.20 748.10 75.2% Tokushima
37 Nagasaki 長崎ながさき県けん 4,132.09 4,132.09 1,377,187 333.29 1,676.17 821.63 58.4% Nagasaki
38 Shiga 滋賀しが県けん 4,017.38 3,766.99 250.39 1,412,916 351.70 1,307.26 1,080.82 50.5% Ōtsu
39 Saitama 埼玉さいたま県けん 3,797.75 3,767.62 30.13 7,266,534 1,913.38 2,584.64 2,811.43 31.9% Saitama
40 Nara 奈良なら県けん 3,690.94 3,690.94 1,364,316 369.64 855.53 1,594.70 76.8% Nara
41 Tottori 鳥取とっとり県けん 3,507.05 3,507.05 573,441 163.51 900.75 636.63 73.3% Tottori
42 Saga 佐賀さが県けん 2,440.68 2,440.68 832,832 341.23 1,335.61 623.56 45.2% Saga
43 Kanagawa 神奈川かながわ県けん 2,415.83 2,415.83 9,126,214 3,777.67 1,470.59 6,205.82 38.8% Yokohama
44 Okinawa 沖縄おきなわ県けん 2,281.12 2,281.12 1,433,566 628.45 1,169.16 1,226.15 46.1% Naha
45 Tokyo 東京とうきょう都と 2,190.93 2,106.23 84.70 13,515,271 6,168.74 1,418.40 9,528.53 34.8% Tokyo
46 Osaka 大阪おおさか府ふ 1,905.14 1,905.14 8,839,469 4,639.80 1,330.58 6,643.32 30.1% Osaka
47 Kagawa 香川かがわ県けん 1,876.72 1,862.50 14.22 976,263 520.20 1,005.54 970.88 46.4% Takamatsu
Japan 日本にっぽん国こく 377,970.75 365,190.44 12,780.27 127,094,745 336.26 122,630.69 1,036.40 64.6% Tokyo

Prefectures of Japan ranked by area as of January 1, 1883[edit]

Native registered (本籍ほんせき, honseki) population for January 1, 1883 was calculated based on information of family registries (戸籍こせき, koseki).[5] Areas were calculated based on maps drawn by Inō Tadataka.[6] Ranks are given by estimated areas.

Rank Prefectures Japanese Estimated

Area
(hōri)[7]

Estimated

Area
(km2)

honseki

Population

Density

(/km2)

1 Sapporo-ken[8] 札幌さっぽろ県けん 3,245.51 50,057.03 61,144 1.22
2 Nemuro-ken[8] 根室ねむろ県けん 2,335.28 36,018.12 5,642 0.16
3 Kagoshima-ken[9] 鹿児島かごしま県けん 1,089.65 16,806.19 1,291,586 76.85
4 Iwate-ken 岩手いわて県けん 899.19 13,868.63 611,735 44.11
5 Fukushima-ken 福島ふくしま県けん 884.33 13,639.44 840,241 61.60
6 Nagano-ken 長野ながの県けん 853.76 13,167.94 1,033,969 78.52
7 Niigata-ken 新潟にいがた県けん 786.33 12,127.94 1,586,599 130.82
8 Akita-ken 秋田あきた県けん 754.00 11,629.30 633,203 54.45
9 Gifu-ken 岐阜ぎふ県けん 671.45 10,356.09 868,333 83.85
10 Aomori-ken 青森あおもり県けん 607.03 9,362.51 488,505 52.18
11 Yamagata-ken 山形やまがた県けん 600.15 9,256.40 695,533 75.14
12 Hyōgo-ken 兵庫ひょうご県けん 556.68 8,585.94 1,433,355 166.94
13 Miyagi-ken 宮城みやぎ県けん 540.79 8,340.86 633,194 75.91
14 Ishikawa-ken[10] 石川いしかわ県けん 537.13 8,284.41 1,428,073 172.38
15 Hiroshima-ken 広島ひろしま県けん 520.78 8,032.24 1,252,811 155.97
16 Hakodate-ken[8] 函館はこだて県けん 514.57 7,936.46 117,063 14.75
17 Shizuoka-ken 静岡しずおか県けん 503.82 7,770.65 985,881 126.87
18 Kumamoto-ken 熊本くまもと県けん 465.47 7,179.16 997,830 138.99
19 Kōchi-ken 高知こうち県けん 454.72 7,013.36 549,184 78.31
20 Ehime-ken[11] 愛媛えひめ県けん 454.67 7,012.59 1,491,614 212.71
21 Shimane-ken 島根しまね県けん 435.82 6,721.86 674,984 100.42
22 Okayama-ken 岡山おかやま県けん 420.98 6,492.97 1,029,567 158.57
23 Tochigi-ken 栃木とちぎ県けん 411.77 6,350.92 609,000 95.89
24 Gunma-ken 群馬ぐんま県けん 407.25 6,281.21 613,410 97.66
25 Ōita-ken 大分おおいた県けん 402.73 6,211.49 746,411 120.17
26 Nagasaki-ken[12] 長崎ながさき県けん 395.23 6,095.82 1,212,157 198.85
27 Yamaguchi-ken 山口やまぐち県けん 389.99 6,015.00 897,370 149.19
28 Ibaraki-ken 茨城いばらき県けん 385.16 5,940.50 920,876 155.02
29 Mie-ken 三重みえ県けん 368.55 5,684.32 870,137 153.08
30 Chiba-ken 千葉ちば県けん 326.45 5,034.99 1,124,085 223.25
31 Fukuoka-ken 福岡ふくおか県けん 317.81 4,901.73 1,128,289 230.18
32 Ōsaka-fu[13] 大阪おおさか府ふ 317.14 4,891.40 1,585,696 324.18
33 Aichi-ken 愛知あいち県けん 312.78 4,824.15 1,354,996 280.88
34 Wakayama-ken 和歌山わかやま県けん 310.62 4,790.84 610,182 127.36
35 Kyōto-fu 京都きょうと府ふ 296.55 4,573.83 840,951 183.86
36 Yamanashi-ken 山梨やまなし県けん 289.85 4,470.49 410,246 91.77
37 Fukui-ken 福井ふくい県けん 272.40 4,201.35 582,210 138.58
38 Tokushima-ken 徳島とくしま県けん 271.28 4,184.08 649,616 155.26
39 Saitama-ken 埼玉さいたま県けん 265.84 4,100.18 970,598 236.72
40 Shiga-ken 滋賀しが県けん 258.44 3,986.04 639,961 160.55
41 Kanagawa-ken[14] 神奈川かながわ県けん 229.17 3,534.60 800,925 226.60
42 Tottori-ken 鳥取とっとり県けん 224.16 3,457.33 379,747 109.84
43 Okinawa-ken 沖縄おきなわ県けん 156.91 2,420.10 360,770 149.07
44 Tōkyō-fu[14] 東京とうきょう府ふ 52.32 806.96 999,623 1,238.76
Japan 日本にっぽん国こく 24,794.51 382,417.41 37,017,302 96.80

See also[edit]

External links[edit]

References and notes[edit]

  1. ^ Population estimates for October 1, 2015 are according to those reported by the Statistics Bureau of Japan. Area estimates for October 1, 2015 are according to those reported by the Geographical Survey Institute of Japan. See Area of Japanese Prefectures as of October 1, 2015 and Outline of the System of Social and Demographic Statistics of Japan.(in Japanese)
  2. ^ Expediential values estimated by the Statistics Bureau, Ministry of Internal Affairs and Communications, because of the uncertainty of boundaries.
  3. ^ Excludes undetermined (i.e. uncertain or disputed) areas.
  4. ^ The sum of prefectural undetermined areas for each prefecture doubles the total prefectural undetermined areas in Japan.
  5. ^ According to Japan Household Tables for January 1, Meiji 16 (1883). See Digital Library at the National Diet Library of Japan[permanent dead link]
  6. ^ According to the 2nd Statistical Yearbook of the Empire of Japan (1883).
  7. ^ 1 square ri (方ほう里さと, hōri) = 15.4234711 km2.
  8. ^ a b c Three prefectures of Sapporo-, Hakodate- and Nemuro-ken were united to Hokkaidō-chō (Hokkaidō Agency) on January 26, 1886.
  9. ^ Includes present-day Miyazaki-ken split from Kagoshima-ken on May 9, 1883.
  10. ^ Includes present-day Toyama-ken split from Ishikawa-ken on May 9, 1883.
  11. ^ Includes present-day Kagawa-ken split from Ehime-ken on December 3, 1888.
  12. ^ Includes present-day Saga-ken split from Nagasaki-ken on May 9, 1883.
  13. ^ Includes Nara-ken split from Ōsaka-fu on November 4, 1887.
  14. ^ a b Kanagawa-ken includes Three districts of Tama relegated from Kanagawa-ken to Tōkyō-fu on April 1, 1893.
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