Castro is a Romance language word that originally derived from Latin castrum, a pre-Roman military camp or fortification (cf: Greek: kastron; Proto-Celtic:*Kassrik; Breton: kaer, *kastro). The English-language equivalent is chester. It may refer to: People. Castro (surname), a surname (including a list of people with the name) Fidel Castro (1926–2016), leader of Cuba, former First Secretary of the Communist Party of Cuba. José Castro (1808–1860), Mexican Californio politician, statesman, and general who served as interim Governor of Alta California and later Governor of Baja California.
https://en.wikipedia.org/wiki/Castro