SAX, the ancient *Agyrium*, a town in the province of Catania, Sicily, situated on the summit of a lofty isolated hill near the centre of the island, and 32 miles W.N.W. of Catania. It has numerous churches and convents, and the vicinity is noted for producing the best saffron in Sicily. Agyrium was the birthplace of Diódorus Siculus. Pop. 7000.