Hajj is an annual Islamic pilgrimage to the holy city of Mecca in Saudi Arabia. It is one of the Five Pillars of Islam, which are essential acts of worship for Muslims. Every able-bodied Muslim is required to perform Hajj at least once in their lifetime, provided they can afford it. The pilgrimage occurs during the Islamic month of Dhu al-Hijjah and involves a series of rituals over several days. During Hajj, pilgrims perform specific rites, including walking around the Kaaba, a sacred structure in Mecca, and standing in prayer at the Plain of Arafat. The pilgrimage symbolizes unity, humility, and submission to Allah, fostering a sense of community among Muslims worldwide.