古巴共和国是位于北美洲加勒比海上的社会主义群岛国家。It first appeared in the Season Four episode, "The Wacky Molestation Adventure". It is located in proximity to the United States.
Background
In "The Wacky Molestation Adventure", Kyle Broflovski writes a letter to the Cuban President Fidel Castro. The letter was a message asking for the return of democracy to Cuba.