Changhai County is a county under the administration of Dalian, Liaoning province, China. It consists of several islands in the Yellow Sea and is located offshore of the Liaodong Peninsula. There are 112 small islands and reefs in the county, traditionally called the Outer Long Mountains Island Chain. The county has an area of 156.89 km2 and a permanent population of 77,951, making it Dalian's least populous county-level division, and the county government is located in the Dongshan neighborhood of the town of Dachangshandao.

Administrative divisions

There are 5 towns in the county. Towns:

Demographics

Climate

Transport