Città del Vaticano is a landlocked sovereign city-state whose territory consists of a walled enclave within the city of Rome, Italy.
It has an area of approximately 44 hectares, and a population of just over 800. This makes Vatican City the smallest independent state in the world by both area and population.
Vatican City is ruled by the Bishop of Rome—the Pope. The highest state functionaries are all Catholic clergymen of various national origins.
It is the sovereign territory of the Holy See (Sancta Sedes) and the location of the Pope's residence, referred to as the Apostolic Palace.