The Religion of Mecca is Islam, a monotheistic religion founded by the Prophet Muhammad in the 7th century. It is based on the teachings of the Quran and is the world's second-largest religion with over 1.8 billion followers. Islam is an Abrahamic faith that emphasizes submission to God, prayer, charity, fasting, and pilgrimage to Mecca. It is also known for its five pillars of faith: belief in one God, prayer, charity, fasting, and pilgrimage.