Castile (a medieval kingdom and former county in the Iberian Peninsula; the nucleus of modern Spain); Castile (a vaguely defined geographical region of central Spain generally corresponding to the regions of Old and New Castile); a province of Arequipa, Peru; a surname
a province of Calabarzon, Luzon, Philippines; capital: Trece Martires (de facto); Imus (de jure); largest city: Dasmariñas; Cavite (a city in Cavite, Calabarzon, Luzon, Philippines)
Key West (an island in the Florida Keys), the westernmost significant cay in the archipelago.; Key West (a city, the county seat of Monroe County, Florida, United States in the Florida Keys), situated on the island of Key West and surrounding islands.