Over 2,800 years old and once the capital of the Roman Empire, Rome is the largest city and capital of Italy. Rome is located on the Tiber River, near the Mediterranean Sea. Rome is the site of the Vatican City, which is the capital of the Roman Catholic Church and is home to the Pope. Rome is known for its tourism and has many interesting sites such as the Roman Colosseum, St. Peter’s Basilica, Musei Capitolini, and the Galleria Borghese. During WWII, Rome had the distinction of being the first Axis capital felled by the Allies. The population of Rome is estimated at 2.5 million residents.