Vatican City is an independent city-state located within Rome, Italy. It is the smallest internationally recognized independent state in the world.
Related terms
Rome: The capital city of Italy and the location where Vatican City is situated.
Holy See: The governing body of the Roman Catholic Church, which has its headquarters in Vatican City.
St. Peter's Basilica: A famous church located within Vatican City, known for its grand architecture and being one of the largest churches in the world.