Mecca, Saudi Arabia, the holiest city for Muslims, and a mandatory religious duty for Muslims that must be carried out at least once in their lifetime by all adult Muslims who are physically and financially capable of undertaking the journey, and can support their family during their absence.
The literal meaning of the word Hajj is heading to a place for the sake of visiting. In Islamic terminology, Hajj is a pilgrimage made to Kaaba, the "House of Allah", in the sacred city of Mecca in Saudi Arabia. The rites of Hajj are performed over five or six days, beginning on the eighth and ending on the thirteenth day of Dhu al-Hijjah, the last month of the Islamic calendar. It is one of the five pillars of Islam, alongside Shahadah, Salat, Zakat and Sawm. The Hajj is the second largest annual gathering of Muslims in the world, after the Arba'een Pilgrimage in Karbala, Iraq.The state of being physically and financially capable of performing the Hajj is called istita'ah, and a Muslim who fulfils this condition is called a mustati. The Hajj is a demonstration of the solidarity of the Muslim people, and their submission to God (Allah). The word Hajj means "to attend a journey", which connotes both the outward act of a journey and the inward act of intentions