CASALE, one of the provinces into which the kingdom of Sardinia is divided. It is bounded north and east by Vercelli and Mortara, south by Alessandria, and west by Asti and Turin. It has an area of 340 square miles, and a population (1848) of 120,425, most of whom are engaged in the culture of the vine, the tending of sheep, and the production of silk.