ALGHERO, seaport and episcopal see, province of Sassari, West Sardinia, 21m. S\V. by rail from Sassari. Pop. (1931) 13,781. The cathedral is 12th century; the see dates from 1503. Founded by the Doria family of Genoa about 1102, it was occu pied by the house of Aragon in 1354, who held it until it fell to the house of Savoy with the rest of Sardinia in 172o. Catalonian is still spoken here. The district produces good wine. Seven miles N.W. is the fine natural harbour of Porto Conte, secure in all weather, and on the west of this harbour is the Capo Caccia, with two stalactite grottoes. The important prehistoric necropolis of Anghelu Ruju is 62m. N. of Alghero.