Cuba, officially the Republic of Cuba, is an island country in the Caribbean. The nation of Cuba comprises the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the capital of Cuba and its largest city. The second largest city is Santiago de Cuba. Wikipedia

Guyana, officially the Co-operative Republic of Guyana, is a sovereign state on the northern coast of South America. Although Guyana is part of the Anglophone Caribbean, it is one of the few Caribbean countries that is not an island. Wikipedia