Yes, the Catholic Church is the only church in the Vatican.
No, the Vatican is the home of the Pope, who is head of the Catholic Church.
The Vatican is owned by the Catholic Church.
The huge Catholic church in Vatican City is the St. Peters, see link below.
Vatican City.
The Vatican.
Vatican
The head Quarters of the Roman Catholic church is The Vatican Rome
No, the earthly headquarters of the Catholic Church are found in Vatican City.
The head of the Catholic Church is the Pope, who is in Vatican City, Rome, Italy.
The Roman Catholic Church was modernized by Vatican II.
Vatican City is the seat of government of the Catholic Church.