---
{
  "adminArea": "People's Republic of China · Jiangsu · Nantong · Hai'an",
  "aliases": [
    "海安市"
  ],
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography",
    "category-china-admin-divisions"
  ],
  "coordinates": {
    "latitude": 32.532,
    "longitude": 120.46042
  },
  "createdAt": "2026-10-25T00:00:00+08:00",
  "disambiguation": "Nantong, Jiangsu",
  "id": "place_cn_320685",
  "lang": "en",
  "placeKind": "county-level city",
  "revision": 5,
  "slug": "hai-an",
  "sources": [
    {
      "id": "mca2023",
      "locator": "代码 320685 海安市",
      "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"
    },
    {
      "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"
    }
  ],
  "status": "published",
  "summary": "Hai'an is a county-level city in Nantong, Jiangsu, with administrative division code 320685.",
  "tags": [
    "tag-admin-division"
  ],
  "title": "Hai'an",
  "type": "place",
  "updatedAt": "2026-10-29T22:18:02+08:00",
  "updatedBy": "user:admin"
}
---

# Hai'an

Hai'an is a county-level city in Nantong, Jiangsu, with administrative division code 320685.

## Administrative status

Hai'an is part of [Nantong](/en/places/nantong.html) (prefecture-level city)[^mca2023].

## Basic facts

- Administrative division code: 320685[^mca2023]
- Area: 1,183.57 km²[^wikidata]
- Population: 874,334 (2020)[^wikidata]

## History

- From 1 March 1948: named “海安县”, until 11 May 2018[^wikidata].
- From 1 January 1943: named “紫石县”, until 28 February 1948[^wikidata].

更新时间：2026-10-29

## 标签


## 关系

- Located in：[Nantong](/en/places/nantong.html) 依据民政部2023年县以上行政区划代码的隶属层级。

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## 正文反向链接

- [Nantong](/en/places/nantong.html)

## 来源

- 2023年中华人民共和国县以上行政区划代码（民政部）：https://www.mca.gov.cn/mzsj/xzqh/2023/202301xzqh.html 代码 320685 海安市
- Wikidata Q1371411：https://www.wikidata.org/wiki/Q1371411 
- Hai'an (Wikipedia)：https://en.wikipedia.org/wiki/Hai%27an 
- 海安市（维基百科）：https://zh.wikipedia.org/wiki/%E6%B5%B7%E5%AE%89%E5%B8%82