What is the small area in rome that serves as the world headquarters of the roman catholic church?

The small area in Rome that serves as the world headquarters of the Roman Catholic Church is the Vatican City.

Explanation:

Vatican City is the smallest independent state in the world. The territory of this country is completely enclosed by the city of Rome, making it an enclave within Italy.

Vatican City is represented under international law by the Holy See and houses the headquarters of the Roman Catholic Church. The Head of State of Vatican City is the Pope, who has his official residence in the Apostolic Palace.

answer; is roughly two weeks;