Municipalities of Japan map & data
Japan has 175 municipalities in this layer, spread over 18 prefectures. The most are in Osaka Prefecture (32), Kanagawa (28) and Aichi Prefecture (16). The largest include 南鳥島, 西区 and 葵区.
Municipalities by prefecture
| Prefecture | Areas | Share |
|---|---|---|
| Osaka Prefecture | 32 | 18% |
| Kanagawa | 28 | 16% |
| Aichi Prefecture | 16 | 9.1% |
| Fukuoka Prefecture | 14 | 8.0% |
| Kyoto Prefecture | 11 | 6.3% |
| Saitama | 10 | 5.7% |
| Hokkaido | 10 | 5.7% |
| Hyogo Prefecture | 9 | 5.1% |
| Hiroshima | 8 | 4.6% |
| Niigata | 8 | 4.6% |
| Chiba | 6 | 3.4% |
| Shizuoka | 6 | 3.4% |
| Kumamoto | 5 | 2.9% |
| Miyagi | 5 | 2.9% |
| Okayama Prefecture | 4 | 2.3% |
| Tokyo | 1 | 0.6% |
| Fukushima | 1 | 0.6% |
| Yamagata | 1 | 0.6% |
Largest municipalities in Japan
- 南鳥島Tokyo · 1,681.6 km²
- 西区Fukuoka Prefecture · 1,331.2 km²
- 葵区Shizuoka · 1,075.9 km²
- 天竜区Shizuoka · 946.1 km²
- 中央区Shizuoka · 792.4 km²
- 南区Hokkaido · 657.6 km²
- 清水区Shizuoka · 570 km²
- 西蒲区Niigata · 537.9 km²
- 北区Okayama Prefecture · 452 km²
- 若松区Fukuoka Prefecture · 450.9 km²
- 東区Niigata · 435.5 km²
- 安佐北区Hiroshima · 354.2 km²
- 浜名区Shizuoka · 347.4 km²
- 青葉区Miyagi · 302.6 km²
- 右京区Kyoto Prefecture · 292.8 km²
- 宮城野区Miyagi · 267.9 km²
- 緑区Kanagawa · 254.5 km²
- 左京区Kyoto Prefecture · 247.4 km²
- 小倉南区Fukuoka Prefecture · 239.6 km²
- 佐伯区Hiroshima · 237.5 km²
- 太白区Miyagi · 228.8 km²
- 駿河区Shizuoka · 219.8 km²
- 門司区Fukuoka Prefecture · 164.6 km²
- 泉区Miyagi · 146.8 km²
- 小倉北区Fukuoka Prefecture · 125.2 km²
- 川崎区Kanagawa · 122.7 km²
- 安佐南区Hiroshima · 117.4 km²
- 早良区Fukuoka Prefecture · 97.6 km²
- 秋葉区Niigata · 95.6 km²
- 安芸区Hiroshima · 94.7 km²
- 中区Kanagawa · 89.6 km²
- 若林区Miyagi · 89.6 km²
- 八幡西区Fukuoka Prefecture · 84.4 km²
- 若葉区Chiba · 84.4 km²
- 須磨区Hyogo Prefecture · 76.2 km²
- 江南区Niigata · 75.7 km²
- 東灘区Hyogo Prefecture · 69.2 km²
- 此花区Osaka Prefecture · 63.6 km²
- 美浜区Chiba · 63.5 km²
- 垂水区Hyogo Prefecture · 62.5 km²
What's in this layer
Every municipality in the layer comes with its name, outline (polygon), area in km², the region it belongs to and a source ID. Local government areas: cities, towns, communes and municipalities with their official boundaries.
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Frequently asked questions
How many municipalities are there in Japan?
This layer holds 175 municipalities in Japan, the most of them in Osaka Prefecture. The data is refreshed every 6 months; this release is from November 2026.
Can I download a list of municipalities 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 municipalities 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 municipality?
The name, outline (polygon), area in km², the region it belongs to and a source ID.
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