capital of the island of Chiloe, on the coast of Chili in South America. W. Long. 82°. S. Lat. 43°.

Castro is also the capital of a duchy of the same name in the pope's territories in Italy, situated on the confines of Tuscany. E. Long. 12° 35'. N. Lat. 42° 30'.

Castro, Pietro de', a celebrated painter, who flourished about the middle of the 17th century. The subjects which this great artist chose to paint, were what are distinguished by the name of still life; vases, shells, musical instruments, gems, vessels of gold, silver, and crystal, books, and rich bracelets; and in those subjects his choice and disposition were elegant, and his execution admirable.