Before revision: It is the Holy See that is the sovereign entity by international law headquartered in the distinctively independent Vatican City State, a city-state which forms a geographical enclave within the conurbation of Rome, established by the Lateran Treaty in 1929 between Italy and the Holy See to ensure its and spiritual independence.
After revision: It is the Holy See that is the sovereign entity under international law headquartered in the distinctively independent Vatican City State, a city-state which forms a geographical enclave within the conurbation of Rome, established by the Lateran Treaty in 1929 between Italy and the Holy See to ensure its and spiritual independence.