The Holy See is the ecclesiastical jurisdiction of the Catholic Church in Rome, the episcopal see of the Pope. It is the central point of reference of the universal church and the focal point of communion due to its prominence.
Vatican City i/ˈvætɨkən ˈsɪti/, officially Vatican City Statedel vatiˈkaːno]), is a landlocked sovereign city-state whose territory consists of a walled enclave within the city of Rome, Italy.
Comments: Holy See vs Vatican City