The Kaaba Mecca holds a great deal of importance in Islam and is considered a sacred site. The Kaaba Mecca is a building at the center of Islam's most important mosque, Great Mosque of Mecca in Saudi Arabia. No matter where Muslims are located in the world, when they engage in prayer, it must be in the direction of the Kaaba Mecca. It is also an important site for pilgrimage. One of the five pillars of Islam is to perform Hajj at least once in a lifetime.
