Cuba is an island country located in the Caribbean, about 90 miles south of the U.S. state of Florida . In geographic tems, Cuba is considered to be part of North America. The country's capitial is Havana . Its government is entirely of Communism, a political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs. It has a bitter rivalry with the United States of America, due to aligning with the Soviet Union during the Cold War, around the early 1960s.
Homer, Mr. Burns and Smithers visit Cuba when they are on the run from the U.S. Federal Government. Mr. Burns tries to buy Cuba with a trillion-dollar bill, but Fidel Castro steals the bill and the trio are forced out of the country. In the next appearance Julio takes Smithers there for a "Romantic trip". That ended out miserably.