APO, AE

ZIP code 09017 belongs to Rome, Italy, specifically the Vatican City. This small city-state is home to iconic landmarks such as St. Peter's Basilica, the Vatican Museums, and the Sistine Chapel, where Michelangelo's famous ceiling paintings are housed. The area also includes the Apostolic Palace, residence of the Pope, and the vast St. Peter's Square, a popular site for religious events and gatherings.