Islands in Japan map & data
There are 3,236 islands mapped in Japan, spread over 44 prefectures. The most are in Nagasaki Prefecture (407), Tokyo (238) and Shimane (207). 100% of them carry a name. Well-known examples include 真珠島, 端島 and 猿島.
Islands by prefecture
| Prefecture | Locations | Share |
|---|---|---|
| Nagasaki Prefecture | 407 | 13% |
| Tokyo | 238 | 7.4% |
| Shimane | 207 | 6.4% |
| Kagoshima Prefecture | 198 | 6.1% |
| Hokkaido | 155 | 4.8% |
| Miyagi | 148 | 4.6% |
| Yamaguchi | 132 | 4.1% |
| Ehime Prefecture | 126 | 3.9% |
| Okinawa Prefecture | 121 | 3.7% |
| Hiroshima | 119 | 3.7% |
| Miyazaki Prefecture | 104 | 3.2% |
| Okayama Prefecture | 89 | 2.8% |
| Niigata | 87 | 2.7% |
| Kumamoto | 84 | 2.6% |
| Kochi Prefecture | 80 | 2.5% |
| Mie Prefecture | 72 | 2.2% |
| Wakayama Prefecture | 72 | 2.2% |
| Iwate | 68 | 2.1% |
| Chiba | 57 | 1.8% |
| Oita | 56 | 1.7% |
| Hyogo Prefecture | 56 | 1.7% |
| Kagawa Prefecture | 54 | 1.7% |
| Fukuoka Prefecture | 51 | 1.6% |
| Shizuoka | 49 | 1.5% |
| Ishikawa Prefecture | 49 | 1.5% |
| Aomori | 47 | 1.5% |
| Saga Prefecture | 45 | 1.4% |
| Tokushima Prefecture | 45 | 1.4% |
| Kanagawa | 38 | 1.2% |
| Kyoto Prefecture | 37 | 1.1% |
| Aichi Prefecture | 33 | 1.0% |
| Akita | 21 | 0.6% |
| Fukui Prefecture | 16 | 0.5% |
| Tottori Prefecture | 16 | 0.5% |
| Yamagata | 16 | 0.5% |
| Fukushima | 7 | 0.2% |
| Toyama | 6 | 0.2% |
| Nagano | 5 | 0.2% |
| Osaka Prefecture | 4 | 0.1% |
| Ibaraki | 4 | 0.1% |
| Shiga | 3 | 0.1% |
| Tochigi | 2 | 0.1% |
| Gifu Prefecture | 1 | 0.0% |
| Yamanashi | 1 | 0.0% |
Notable islands in Japan
- 真珠島Mie Prefecture
- 端島Nagasaki Prefecture
- 猿島Kanagawa
- 仙酔島Hiroshima
- 出羽島Tokushima Prefecture
- 中之島Osaka Prefecture
- 篭島Hyogo Prefecture
- 蒼島Fukui Prefecture
- 沖島近江八幡市 · Shiga
- 地ノ島Wakayama Prefecture · pop. 0
- 中央防波堤内側埋立地Tokyo
- 大築海島Mie Prefecture
- 咲洲Osaka Prefecture
- 絵島Hyogo Prefecture
- 沖ノ黒島Wakayama Prefecture
- 中央防波堤外側埋立地Tokyo
- 渡鹿野島Mie Prefecture
- 夢洲Osaka Prefecture
- 鶴島Hyogo Prefecture
- 神島Wakayama Prefecture · pop. 0
- 中通島Tokyo
- 賢島Mie Prefecture
- 舞洲Osaka Prefecture
- 虎島Wakayama Prefecture · pop. 0
- 中鰹鳥島Tokyo
- 八丈小島Tokyo
- 北之島Tokyo
- 南島Tokyo
- 南鳥島Tokyo
- 妙見島Tokyo
- 妹島Tokyo
- 姉島Tokyo
- 姪島Tokyo
- 嫁島Tokyo
- 孫島Tokyo
- 弁天島Tokyo
- 弟島Tokyo
- 硫黄島Tokyo
- 蓬莱島Tokyo
- 閂島Tokyo
What's in this layer
Every island in the layer comes with its name, English name, population (where known), the region it is in, latitude and longitude. Named islands and islets.
Make a map of islands in Japan
- Open the studio. No sign-up needed to start.
- Add the layer. Choose Japan and Islands - 3,236 locations appear at once.
- Make it yours. Colours, icons, labels, clusters or a heat map; add your own pins, images and notes; measure distances and draw radius circles.
- Share it. Copy the link or embed it on your website - it looks great on phones too.
Frequently asked questions
How many islands are there in Japan?
This layer holds 3,236 islands in Japan, the most of them in Nagasaki Prefecture. The data is refreshed every 6 months; this release is from November 2026.
Can I download a list of islands in Japan?
Yes. Own the layer ($5 once, or every Japan layer with the $29 Country Pass) and export it from the studio as CSV, Shapefile, GeoJSON, KML, GPX, ArcGIS, QGIS, PNG or PDF.
Is it free to put islands on my map?
Yes - every map can use 2 data layers free, and you can share or embed it. Layers you buy don't count toward that limit and work in every map you make.
What information comes with each island?
The name, English name, population (where known), the region it is in, latitude and longitude.
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