Christianity developed out of Judaism, another monotheistic and Abrahamic religion that came before it. Christians believe in Jesus, the founder of Christianity. The religion began in Judea, which today is known as Israel, Jordan, and Palestine. Islam, another monotheistic religion sharing some beliefs with Christianity, and many sects of Christianity have formed over the years.
Christianity's holy book is the Bible, containing the Old Testament and the New Testament. Christianity's place of worship is a church, which is led by a priest, pastor, or bishop. The largest church in the world is St. Peter's Basilica, Vatican City. It is a great symbol of the Catholic Church. Along with the Catholic Church, there are many sects of Christianity. They are Protestantism, Eastern Orthodoxy, Oriental Orthodoxy, and Anglicanism. A very important figure in the Catholic Church is the Pope, who today is Pope Francis.