Explore 47 named first-level map divisions for Japan. If you searched for its states, provinces or regions, use this interactive reference map to browse the names and compare outline-derived size estimates.
The source is a generalized beta map layer. Its boundary hierarchy and names may not match the current official administrative register. No population or socioeconomic figures are inferred from map shapes.
Hover or focus a division to identify it. Click, press Enter, or use the selectors to compare two outlines.
Choose two divisions to compare their approximate mapped outline areas.
Within-country comparison
Compare two divisions
Aichi Prefecture4,939.8 km²Approximate outline areaAkita Prefecture11,710.4 km²Approximate outline area
Mapped-area difference6,770.6 km²
Outline-size ratio2.37×
These are estimates calculated from generalized map polygons. They are not official land-area figures and do not include population, income, health, or education statistics.
Names represented in the source layer
Japan regions and divisions
47 listed
Division name
Mapped-area estimate
Comparison action
Aichi Prefecture
4,939.8 km²
Akita Prefecture
11,710.4 km²
Aomori Prefecture
9,644.6 km²
Chiba Prefecture
5,111.2 km²
Ehime Prefecture
5,633.7 km²
Fukui Prefecture
4,220.1 km²
Fukuoka Prefecture
5,053.3 km²
Fukushima Prefecture
13,979.7 km²
Gifu Prefecture
10,684.6 km²
Gunma Prefecture
6,334.6 km²
Hiroshima Prefecture
8,303.3 km²
Hokkaidō
78,638 km²
Hyōgo Prefecture
8,382.3 km²
Ibaraki Prefecture
6,334.6 km²
Ishikawa Prefecture
4,112.8 km²
Iwate Prefecture
15,458.7 km²
Kagawa Prefecture
1,853.8 km²
Kagoshima Prefecture
7,708.9 km²
Kanagawa Prefecture
2,384.2 km²
Kōchi Prefecture
7,091.7 km²
Kumamoto Prefecture
7,258.2 km²
Kyōto Prefecture
4,611.1 km²
Mie Prefecture
5,820.5 km²
Miyagi Prefecture
7,497 km²
Miyazaki Prefecture
7,861.8 km²
Nagano Prefecture
13,694 km²
Nagasaki Prefecture
3,992.6 km²
Nara Prefecture
3,851.9 km²
Niigata Prefecture
12,446.9 km²
Ōita Prefecture
6,553.5 km²
Okayama Prefecture
6,935.5 km²
Okinawa Prefecture
3,302.5 km²
Ōsaka Prefecture
1,855.3 km²
Saga Prefecture
2,448.3 km²
Saitama Prefecture
3,884 km²
Shiga Prefecture
4,008.9 km²
Shimane Prefecture
6,877.9 km²
Shizuoka Prefecture
7,669 km²
Tochigi Prefecture
6,480 km²
Tokushima Prefecture
4,249.6 km²
Tokyo
2,183.4 km²
Tottori Prefecture
3,704.1 km²
Toyama Prefecture
4,367.4 km²
Wakayama Prefecture
4,430 km²
Yamagata Prefecture
9,238 km²
Yamaguchi Prefecture
6,023 km²
Yamanashi Prefecture
4,509.8 km²
Map names and generalized outlines: Natural Earth — Admin 1 states and provinces, 1:10m, version 5.1.1.Approximate outline area calculated from generalized spherical geometry using a mean Earth radius of 6,371,008.8 metres. This is not an official land-area statistic.