{
  "contentStorage": "postgres",
  "title": "Hai'an",
  "description": "Hai'an is a county-level city in Nantong, Jiangsu, with administrative division code 320685.",
  "url": "/en/places/hai-an-320685.html",
  "entity": {
    "id": "place_cn_320685",
    "type": "place",
    "title": "Hai'an",
    "slug": "hai-an-320685",
    "aliases": [
      "海安市"
    ],
    "summary": "Hai'an is a county-level city in Nantong, Jiangsu, with administrative division code 320685.",
    "status": "published",
    "categories": [
      "category-geography"
    ],
    "tags": [
      "tag-admin-division"
    ],
    "sources": [
      {
        "id": "mca2023",
        "title": "2023年中华人民共和国县以上行政区划代码（民政部）",
        "url": "https://www.mca.gov.cn/mzsj/xzqh/2023/202301xzqh.html",
        "locator": "代码 320685 海安市"
      },
      {
        "id": "wikidata",
        "title": "Wikidata Q1371411",
        "url": "https://www.wikidata.org/wiki/Q1371411"
      },
      {
        "id": "enwiki",
        "title": "Hai'an (Wikipedia)",
        "url": "https://en.wikipedia.org/wiki/Hai%27an"
      },
      {
        "id": "zhwiki",
        "title": "海安市（维基百科）",
        "url": "https://zh.wikipedia.org/wiki/%E6%B5%B7%E5%AE%89%E5%B8%82"
      }
    ],
    "createdAt": "2026-10-25",
    "updatedAt": "2026-10-25",
    "revision": 1,
    "body": "## Administrative status\n\nHai'an is part of [[place_nantong|Nantong]] (prefecture-level city)[^mca2023].\n\n## Basic facts\n\n- Administrative division code: 320685[^mca2023]\n- Area: 1,183.57 km²[^wikidata]\n- Population: 874,334 (2020)[^wikidata]\n\n## History\n\n- From 1 March 1948: named “海安县”, until 11 May 2018[^wikidata].\n- From 1 January 1943: named “紫石县”, until 28 February 1948[^wikidata].",
    "url": "/places/hai-an-320685.html",
    "lang": "en",
    "availableLangs": [
      "zh",
      "en"
    ],
    "disambiguation": "Nantong, Jiangsu",
    "placeKind": "county-level city",
    "coordinates": {
      "latitude": 32.532,
      "longitude": 120.46042
    },
    "adminArea": "People's Republic of China · Jiangsu · Nantong · Hai'an"
  },
  "entities": null,
  "tags": [
    {
      "id": "tag-admin-division",
      "slug": "admin-division",
      "name": "行政区划",
      "description": "省、地、县各级行政区及其历史沿革。",
      "count": 3335
    }
  ],
  "relations": [
    {
      "id": "relation_cnadmin_320685_in_320600",
      "fromId": "place_cn_320685",
      "relationType": "located_in",
      "toId": "place_nantong",
      "note": "依据民政部2023年县以上行政区划代码的隶属层级。",
      "sourceRefs": [
        {
          "entityId": "place_cn_320685",
          "sourceId": "mca2023"
        }
      ],
      "label": "Located in",
      "targetId": "place_nantong",
      "targetTitle": "Nantong",
      "targetUrl": "/en/places/nantong.html",
      "incoming": false
    }
  ],
  "mentions": [
    {
      "fromId": "place_nantong",
      "fromTitle": "南通市",
      "fromUrl": "/en/places/nantong.html",
      "fromType": "place"
    }
  ],
  "history": [
    {
      "from": "2018-05-11",
      "title": "海安市",
      "note": "Wikidata 官方名称记录。",
      "sources": [
        "https://www.wikidata.org/wiki/Q1371411"
      ]
    },
    {
      "from": "1948-03-01",
      "to": "2018-05-11",
      "title": "海安县",
      "note": "Wikidata 官方名称记录。",
      "sources": [
        "https://www.wikidata.org/wiki/Q1371411"
      ]
    },
    {
      "from": "1943-01-01",
      "to": "1948-02-28",
      "title": "紫石县",
      "note": "Wikidata 官方名称记录。",
      "sources": [
        "https://www.wikidata.org/wiki/Q1371411"
      ]
    }
  ],
  "versions": [
    {
      "revision": 1,
      "updatedAt": "2026-10-25",
      "message": "当前版本",
      "hasSnapshot": true,
      "url": "/en/places/hai-an-320685/at/1.html"
    }
  ],
  "lang": "en",
  "availableLangs": [
    "zh",
    "en"
  ],
  "infoFields": [
    {
      "key": "place_kind",
      "label": "Place kind",
      "value": "county-level city"
    },
    {
      "key": "admin_area",
      "label": "Admin area",
      "value": "People's Republic of China · Jiangsu · Nantong · Hai'an"
    },
    {
      "key": "coordinates",
      "label": "Coordinates",
      "value": "32.53200, 120.46042"
    },
    {
      "key": "disambiguation",
      "label": "Disambiguation",
      "value": "Nantong, Jiangsu"
    }
  ],
  "relationsTotal": 1,
  "relationCounts": [
    {
      "relationType": "located_in",
      "incoming": false,
      "label": "Located in",
      "total": 1
    }
  ],
  "mentionsTotal": 1
}