淮海地区 huáihǎidìqū Huaihai region Origin Definitions Defs Strokes Stroke Words Sentences Sents 淮海 huáihǎi Huaihai region An economic hub and historical region centered around 徐州 xúzhōu that includes parts of Jiangsu, Shandong, Henan, and Anhui provinces.地区 地區 dìqū noun area area; region; district; a large geographical range