Hainault (1,082), a southern province of Belgium bordering on France, between W. Flanders and Namur; the N. and W. is occupied by fertile plains; the Forest of Ardennes extends into the S., where also are the richest coal-fields of Belgium; iron and lead are wrought also; the chief rivers are the Scheldt, Sambre, Dender, and Haine; textiles, porcelain, and iron goods are manufactured; Mons is the capital.