Cuba is an island nation in the Caribbean Sea with a coastline along the Caribbean Sea and North Atlantic Ocean. Havana is the capital city of Cuba, located on the western side of the island. Key points of interest in Havana discussed in the document include Revolution Square, the Fine Arts Museum, Museum of the Revolution, and landmarks like the Capitolio building, Iglesia de la Santísima Trinidad church, and Lonja del Comercio colonial building. Other famous Cubans mentioned include Jose Marti, Fidel Castro, Raul Castro, Che Guevara, Ernest Hemingway, and Carlos Puebla.