Qiongzhou or Qiong Prefecture was a zhou (prefecture) in imperial China in modern northeastern Hainan, China. It existed from 631 to 1329, but between 742 and 758 it was known as Qiongshan Commandery (also translated as Qiongshan Prefecture).
Counties In the Tang dynasty, Qiong Prefecture administered the following counties (): Qiongshan (), roughly modern Haikou Lingao (), roughly modern Lingao County Lehui (), roughly modern Qionghai Zengkou (), roughly modern Chengmai County Yanluo (), roughly modern southern Haikou or Ding'an County
Yanluo was abolished late in the Tang dynasty, while Zengkou was abolished by Southern Han. In the Song dynasty, Qiong Prefecture again administered 5 counties, including: Qiongshan Lingao Lehui Chengmai (), roughly modern Chengmai County Wenchang (), roughly modern Wenchang
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