Governors of provinces of Cuba
Per the 2019 Constitution of Cuba, each province of Cuba is composed by a governor and a provincial council. Governors are proposed by the president of Cuba and elected by the delegates of the Municipal Assembly of People's Power, for a term of five years. They are the highest executive power in each province. In order to serve as governor, they must have sole citizenship of Cuba, at least 30 years old, reside in the province which they are representing, and have "full enjoyment of their civil and political rights."
After being elected, governors and vice-governors have to take office in under 21 days.