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. To the north of Cuba lies the United States (150 km away), the Bahamas and the Turks and Caicos Islands are to the northeast, Mexico is to the west (210 km away), the Cayman Islands and Jamaica are to the south and Haiti and the Dominican Republic are to the southeast.