The capital city of Vatican City is Vatican City itself. It is the smallest independent state in the world, both in terms of area and population. The capital is an ecclesiastical state ruled by the Pope, making it a significant religious hub for Roman Catholics. Vatican City features iconic landmarks such as St. Peter's Basilica and the Sistine Chapel, with its renowned ceiling painted by Michelangelo. The Vatican also hosts the Vatican Museums, which house an immense collection of art and historical works.