Andújar (the anc. Slilurgi), a town of southern Spain, in the province of Jaén; on the right bank of the river Guadalquivir and the Madrid-Cordova railway. Pop. (1900) 16,302. Andújar is widely known for its porous earthenware jars, called alcarrazas, which keep water cool in the hottest weather, and are manufactured from a whitish clay found in the neighbourhood.