It is the largest Christian denomination in the world, headquartered in Vatican City, an independent country in Rome, Italy. The Catholic Church is led by the Pope, who is considered the successor of St. Peter and the spiritual leader of Catholics worldwide. The doctrine and liturgy are deeply influenced by the Bible, the Bible, and the traditions of the Church. It has a rich religious ceremony, including seven sacraments such as baptism, communion, and confession. Having numerous churches, monasteries, and educational institutions worldwide, it has a profound impact on education, charity, and healthcare. There are over one billion believers worldwide, distributed in various countries and regions.