Fidel Castro, president of Cuba

The Castro, a predominantly gay neighborhood in San Francisco, California, USA

Castro (BG), in the province of Bergamo (Lombardy)

Castro Urdiales, a village in the province of Cantabria

Castro dei Volsci, in the province of Frosinone (Lazio)

Castro culture, Iron-Age culture in Northern Portugal and in Galicia, Asturias and Cantabria (Northern Spain)

Castro Theatre, a landmark movie theater located in the Castro community

Castro (surname), other people with this surname

Castro (LE), in the province of Lecce (Apulia)

Castro, Chile, capital of Chiloé Island

Castro (city), a destroyed town in the province of Viterbo (Lazio)

Castro (band), a cabaret-electronica band from Split, Croatia