There are many buildings in Vatican City so you need to narrow things down a bit.
For a history of Vatican City, click on this link.
The answer would depend upon which building you refer to. There are many buildings in the Vatican and each had a different architect.
It is a complex of buildings in the Vatican City in Rome, which includes the papal residence and the Sistine Chapel.
Vatican city is located in the center of Rome. It is surrounded by city streets, buildings. The "state" of the Vatican was created in 1929.Clarification:While the Tiber River does not border the Vatican, it is just a short distance from the City - a short walk.
The Vatican became an independent city/state in 1929 with the signing of the Lateran Treaty. Before that it was just part of Rome, Italy, or the Papal States. It has always been located within the city of Rome and was named for the Vatican on which the neighborhood was built. I suppose the original founders of the Vatican would be Romulus and Remus.Vatican City became an independent country in 1929 with the signing of the Lateran Treaty by Benito Mussolini and Pope Pius XI.
Rome is a city. How can there be a city within a city? There is the Vatican in Rome which is an independent state called Vatican City. But that is only a church, a museum, a big garden and a small number of buildings and only about 1,000 people. That is hardly a city.
Vatican City is the capital of Vatican City the country.
Vatican City could most accurately be called a city-state. While it is a sovereign nation (with a full diplomatic corps - one of the oldest in existence) and observer status at the United Nations. Vatican City consists of what most know as "The Vatican," as well as Castel Sant'Angelo, some other buildings in Rome, and Castel Gandolfo on the western shore of Lake Albano, south of Rome.
Vatican City is a city-state, a country consisting of only one city. So the capital is also Vatican City.
There is little room for housing in the Vatican. Most of the area is taken up by existing buildings and the Papal Gardens. People cannot simply decide to move to Vatican City. They must be employed there and request housing when it is available.
St Peter's and the Sistine Chapel are separate buildings in the Vatican City, Rome, Italy.
vatican The Vatican City is both a city and a country. Liechenstein is a country.