Western Christianity primarily refers to the branch of Christianity that developed in Western Europe, characterized by its traditions, beliefs, and practices. It includes major denominations such as Roman Catholicism, Protestantism, and Orthodoxy. The Roman Catholic Church is the largest single Christian body in the West, led by the Pope in Vatican City. This branch of Christianity emphasizes the authority of the Bible, the importance of sacraments, and the role of faith in salvation. Western Christianity has significantly influenced Western culture, art, and philosophy, shaping societal values and norms throughout history.