Changhai County
URL: https://knowledge.ivjn.us/en/places/changhai-210224.html

Changhai County is a county in Dalian, Liaoning, with administrative division code 210224.

## Administrative status

Changhai County is part of [Dalian](https://knowledge.ivjn.us/en/places/dalian.html) (prefecture-level city)[^mca2023].

## Basic facts

- Administrative division code: 210224[^mca2023]
- Area: 142.05 km²[^wikidata]
- Population: 66,824 (2020)[^wikidata]

Updated: 2026-10-25

Tags:
- 行政区划 https://knowledge.ivjn.us/en/tags/admin-division.html

Relations:
- Located in: Dalian https://knowledge.ivjn.us/en/places/dalian.html (依据民政部2023年县以上行政区划代码的隶属层级。)

Mentioned in:
- 大连市 https://knowledge.ivjn.us/en/places/dalian.html

Sources:
- 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 210224 长海县
- Wikidata Q1062027 https://www.wikidata.org/wiki/Q1062027
- Changhai County (Wikipedia) https://en.wikipedia.org/wiki/Changhai_County
- 长海县（维基百科） https://zh.wikipedia.org/wiki/%E9%95%BF%E6%B5%B7%E5%8E%BF