- 淮海战役 huáihǎizhànyì Huaihai CampaignThe Huaihai Campaign (Nov 1948-Jan 1949), one of the three major battles fought by the People's Liberation Army near the end of the Chinese Civil War; often considered the decisive battle of the war.
- 淮海地区 huáihǎidìqū Huaihai regionAn economic area centered around [[徐州|徐州|xu2 zhou1]], including parts of Jiangsu, Shandong, Henan, and Anhui provinces