The Umrah is an Islamic pilgrimage to Mecca, the holiest city for Muslims, located in the Hejazi region of Saudi Arabia. It can be undertaken at any time of the year, in contrast to the Ḥajj, which has specific dates according to the Islamic lunar calendar.

Hajj is an annual Islamic pilgrimage to Mecca, Saudi Arabia, the holiest city for Muslims. Hajj is 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 of supporting their family during their absence from home.