Cuba is an island country located in the Caribbean Sea. Its capital and largest city is Havana. Spanish is the official language and the economy relies heavily on tourism and exports of sugar, tobacco, and nickel. In 1959, Fidel Castro overthrew the Batista regime and established a communist government, which has led Cuba ever since. Cuba has a tropical climate and its economy and infrastructure have been impacted by US sanctions and trade embargoes since the 1960s.