Below is visualization of the GIS border data we have for Japan. Features include:

• Simplified to load quickly with minimal loss of detail (1301.1 KB .json file).
• License: Creative Commons Attribution 4.0
• First-level administrative regions identified by name and id in the source code.
• All files use WGS84 projection. Easily reproject as needed.

Included Administrative Regions

{
    "JP01": "Hokkaidō", 
    "JP02": "Aomori", 
    "JP03": "Iwate", 
    "JP04": "Miyagi", 
    "JP05": "Akita", 
    "JP06": "Yamagata", 
    "JP07": "Fukushima", 
    "JP08": "Ibaraki", 
    "JP09": "Tochigi", 
    "JP10": "Gunma", 
    "JP11": "Saitama", 
    "JP12": "Chiba", 
    "JP13": "Tokyo", 
    "JP14": "Kanagawa", 
    "JP15": "Niigata", 
    "JP16": "Toyama", 
    "JP17": "Ishikawa", 
    "JP18": "Fukui", 
    "JP19": "Yamanashi", 
    "JP20": "Nagano", 
    "JP21": "Gifu", 
    "JP22": "Shizuoka", 
    "JP23": "Aichi", 
    "JP24": "Mie", 
    "JP25": "Shiga", 
    "JP26": "Kyōto", 
    "JP27": "Ōsaka", 
    "JP28": "Hyōgo", 
    "JP29": "Nara", 
    "JP30": "Wakayama", 
    "JP31": "Tottori", 
    "JP32": "Shimane", 
    "JP33": "Okayama", 
    "JP34": "Hiroshima", 
    "JP35": "Yamaguchi", 
    "JP36": "Tokushima", 
    "JP37": "Kagawa", 
    "JP38": "Ehime", 
    "JP39": "Kōchi", 
    "JP40": "Fukuoka", 
    "JP41": "Saga", 
    "JP42": "Nagasaki", 
    "JP43": "Kumamoto", 
    "JP44": "Ōita", 
    "JP45": "Miyazaki", 
    "JP46": "Kagoshima", 
    "JP47": "Okinawa"
}

Below is visualization of the GIS border data we have for Japan. Features include:

• Simplified to load quickly with minimal loss of detail (735.7 KB .json file).
• License: Creative Commons Attribution 4.0
• All files use WGS84 projection. Easily reproject as needed.