Eid-al-Adha (عيدالأضحى) is also called the Hajj festival, Feast of the sacrifice, the Greater Eid and Eid e Qurban. It is the second religious holiday in the Islamic calendar and is celebrated by Muslims all over the world. The Hajj festival is commemorated by many Muslims with a pilgrimage to Mecca during the Hajj week. It is said that this is the largest gathering of Muslims in the world every year.