The capital city of the Vatican is Vatican City, an independent city-state enclaved within Rome, Italy. Vatican City is the smallest sovereign state in the world, both in terms of area and population. It serves as the spiritual and administrative center of the Roman Catholic Church, home to the Pope. Significant landmarks within its borders include St. Peter's Basilica, the Sistine Chapel, and the Vatican Museums, which house many renowned works of art. Vatican City’s unique status makes it a major pilgrimage site for Catholics worldwide and a cultural treasure for all.