List of Japanese prefectures by area


Prefectures of Japan ranked by area as of October 1, 2015

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

Prefectures of Japan ranked by area as of January 1, 1883

Native registered population for January 1, 1883 was calculated based on information of family registries. Areas were calculated based on maps drawn by Inō Tadataka. Ranks are given by estimated areas.
RankPrefecturesJapaneseEstimated
Area
Estimated
Area
honseki
Population		Density
1Sapporo-ken3,245.5150,057.0361,1441.22
2Nemuro-ken2,335.2836,018.125,6420.16
3Kagoshima-ken1,089.6516,806.191,291,58676.85
4Iwate-ken899.1913,868.63611,73544.11
5Fukushima-ken884.3313,639.44840,24161.60
6Nagano-ken853.7613,167.941,033,96978.52
7Niigata-ken786.3312,127.941,586,599130.82
8Akita-ken754.0011,629.30633,20354.45
9Gifu-ken671.4510,356.09868,33383.85
10Aomori-ken607.039,362.51488,50552.18
11Yamagata-ken600.159,256.40695,53375.14
12Hyōgo-ken556.688,585.941,433,355166.94
13Miyagi-ken540.798,340.86633,19475.91
14Ishikawa-ken537.138,284.411,428,073172.38
15Hiroshima-ken520.788,032.241,252,811155.97
16Hakodate-ken514.577,936.46117,06314.75
17Shizuoka-ken503.827,770.65985,881126.87
18Kumamoto-ken465.477,179.16997,830138.99
19Kōchi-ken454.727,013.36549,18478.31
20Ehime-ken454.677,012.591,491,614212.71
21Shimane-ken435.826,721.86674,984100.42
22Okayama-ken420.986,492.971,029,567158.57
23Tochigi-ken411.776,350.92609,00095.89
24Gunma-ken407.256,281.21613,41097.66
25Ōita-ken402.736,211.49746,411120.17
26Nagasaki-ken395.236,095.821,212,157198.85
27Yamaguchi-ken389.996,015.00897,370149.19
28Ibaraki-ken385.165,940.50920,876155.02
29Mie-ken368.555,684.32870,137153.08
30Chiba-ken326.455,034.991,124,085223.25
31Fukuoka-ken317.814,901.731,128,289230.18
32Ōsaka-fu317.144,891.401,585,696324.18
33Aichi-ken312.784,824.151,354,996280.88
34Wakayama-ken310.624,790.84610,182127.36
35Kyōto-fu296.554,573.83840,951183.86
36Yamanashi-ken289.854,470.49410,24691.77
37Fukui-ken272.404,201.35582,210138.58
38Tokushima-ken271.284,184.08649,616155.26
39Saitama-ken265.844,100.18970,598236.72
40Shiga-ken258.443,986.04639,961160.55
41Kanagawa-ken229.173,534.60800,925226.60
42Tottori-ken224.163,457.33379,747109.84
43Okinawa-ken156.912,420.10360,770149.07
44Tōkyō-fu52.32806.96999,6231,238.76
Japan24,794.51382,417.4137,017,30296.80-