{
  "datasetId": "re-east-asia-adm1-v1",
  "version": 1,
  "retrievedAt": "2026-10-12",
  "sourceCommit": "9469f09",
  "regionCount": 105,
  "labels": {
    "CHN": "中国（省級）",
    "KOR": "韓国",
    "PRK": "北朝鮮",
    "MNG": "モンゴル",
    "TWN": "台湾",
    "HKG": "香港",
    "MAC": "マカオ"
  },
  "datasets": {
    "CHN": {
      "datasetId": "geoboundaries-gbOpen-CHN-ADM1-9469f09",
      "version": "geoboundaries-gbOpen-CHN-ADM1-9469f09@bc4afc7eacf4351ae5b3ae7a612327987ce1123cb5deb8574fb49107091c6623",
      "boundaryId": "CHN-ADM1-43563684",
      "year": "2019",
      "retrievedAt": "2026-10-12",
      "source": "geoBoundaries, Wikimedia Commons",
      "license": "Public Domain",
      "licenseUrl": "https://www.geoboundaries.org/",
      "sha256": "bc4afc7eacf4351ae5b3ae7a612327987ce1123cb5deb8574fb49107091c6623",
      "sourceUrl": "https://media.githubusercontent.com/media/wmgeolab/geoBoundaries/9469f09/releaseData/gbOpen/CHN/ADM1/geoBoundaries-CHN-ADM1_simplified.geojson",
      "changes": "Source geometry unchanged; explicit game IDs and Japanese display names added separately."
    },
    "KOR": {
      "datasetId": "geoboundaries-gbOpen-KOR-ADM1-9469f09",
      "version": "geoboundaries-gbOpen-KOR-ADM1-9469f09@7d774c8bb1ee65dde693431985423616fd059ffbe1c1bb497b5fed4f47bcac01",
      "boundaryId": "KOR-ADM1-68945753",
      "year": "2021",
      "retrievedAt": "2026-10-12",
      "source": "Natural Earth",
      "license": "Public Domain",
      "licenseUrl": "https://www.geoboundaries.org/",
      "sha256": "7d774c8bb1ee65dde693431985423616fd059ffbe1c1bb497b5fed4f47bcac01",
      "sourceUrl": "https://media.githubusercontent.com/media/wmgeolab/geoBoundaries/9469f09/releaseData/gbOpen/KOR/ADM1/geoBoundaries-KOR-ADM1_simplified.geojson",
      "changes": "Source geometry unchanged; explicit game IDs and Japanese display names added separately."
    },
    "PRK": {
      "datasetId": "geoboundaries-gbOpen-PRK-ADM1-9469f09",
      "version": "geoboundaries-gbOpen-PRK-ADM1-9469f09@65e0336cd6d8bf193553a5c2d293f4ea73e3d3b36c2330b02da4f82a4bc5f503",
      "boundaryId": "PRK-ADM1-3916807",
      "year": "2018",
      "retrievedAt": "2026-10-12",
      "source": "World Food Programme, OCHA ROAP",
      "license": "Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)",
      "licenseUrl": "https://creativecommons.org/licenses/by/3.0/igo/",
      "sha256": "65e0336cd6d8bf193553a5c2d293f4ea73e3d3b36c2330b02da4f82a4bc5f503",
      "sourceUrl": "https://media.githubusercontent.com/media/wmgeolab/geoBoundaries/9469f09/releaseData/gbOpen/PRK/ADM1/geoBoundaries-PRK-ADM1_simplified.geojson",
      "changes": "Source geometry unchanged; explicit game IDs and Japanese display names added separately."
    },
    "MNG": {
      "datasetId": "geoboundaries-gbOpen-MNG-ADM1-9469f09",
      "version": "geoboundaries-gbOpen-MNG-ADM1-9469f09@4e692ea5cff967b716e59975768d1560ade8c9844fbe6831bd4d9e6a7123f7aa",
      "boundaryId": "MNG-ADM1-14279143",
      "year": "2017",
      "retrievedAt": "2026-10-12",
      "source": "OpenStreetMap, Wambacher",
      "license": "Open Data Commons Open Database License 1.0",
      "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
      "sha256": "4e692ea5cff967b716e59975768d1560ade8c9844fbe6831bd4d9e6a7123f7aa",
      "sourceUrl": "https://media.githubusercontent.com/media/wmgeolab/geoBoundaries/9469f09/releaseData/gbOpen/MNG/ADM1/geoBoundaries-MNG-ADM1_simplified.geojson",
      "changes": "Source geometry unchanged; explicit game IDs and Japanese display names added separately."
    },
    "TWN": {
      "datasetId": "geoboundaries-gbOpen-TWN-ADM1-9469f09",
      "version": "geoboundaries-gbOpen-TWN-ADM1-9469f09@566a25e4522f33e492489ff321900be72b30be10de7b90a3586e292f7de1afe3",
      "boundaryId": "TWN-ADM1-90331920",
      "year": "2017",
      "retrievedAt": "2026-10-12",
      "source": "OpenStreetMap, Wambacher",
      "license": "Open Data Commons Open Database License 1.0",
      "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
      "sha256": "566a25e4522f33e492489ff321900be72b30be10de7b90a3586e292f7de1afe3",
      "sourceUrl": "https://media.githubusercontent.com/media/wmgeolab/geoBoundaries/9469f09/releaseData/gbOpen/TWN/ADM1/geoBoundaries-TWN-ADM1_simplified.geojson",
      "changes": "Source geometry unchanged; explicit game IDs and Japanese display names added separately."
    }
  },
  "registrySha256": "ca61bbb326801b75d5eeb0ba590ae5c31192a618205c29005b88d21e41b75f8e",
  "sources": [
    {
      "file": "east-asia/CHN.geojson",
      "sha256": "bc4afc7eacf4351ae5b3ae7a612327987ce1123cb5deb8574fb49107091c6623"
    },
    {
      "file": "east-asia/KOR.geojson",
      "sha256": "7d774c8bb1ee65dde693431985423616fd059ffbe1c1bb497b5fed4f47bcac01"
    },
    {
      "file": "east-asia/PRK.geojson",
      "sha256": "65e0336cd6d8bf193553a5c2d293f4ea73e3d3b36c2330b02da4f82a4bc5f503"
    },
    {
      "file": "east-asia/MNG.geojson",
      "sha256": "4e692ea5cff967b716e59975768d1560ade8c9844fbe6831bd4d9e6a7123f7aa"
    },
    {
      "file": "east-asia/TWN.geojson",
      "sha256": "566a25e4522f33e492489ff321900be72b30be10de7b90a3586e292f7de1afe3"
    }
  ],
  "chunkFiles": [
    "east-asia-00.js",
    "east-asia-01.js",
    "east-asia-02.js",
    "east-asia-03.js",
    "east-asia-04.js",
    "east-asia-05.js",
    "east-asia-06.js"
  ],
  "excludedFeatures": [
    {
      "sourceDataset": "CHN",
      "sourceName": "Taiwan Province",
      "reason": "Use TWN 22 regions; prevent duplicate allocation."
    }
  ],
  "notes": [
    "Geographic group codes do not assign fictional ownership or decide sovereignty.",
    "Historical boundaries (2017–2021); not verified as current 2026 boundaries.",
    "Hong Kong and Macau each have one source province-level feature; internal districts not included.",
    "Guangzhou Province source label is displayed as 広東省; raw label and geometry are retained."
  ]
}