An annual Muslim pilgrimage to Mecca is called the __________.​

Muslim Pilgrimage

Refers to the Hajj, an annual Islamic pilgrimage to Mecca, the holiest city for Muslims, considered 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.

Mecca

A city in Saudi Arabia that is the holiest site in Islam, being the birthplace of Prophet Muhammad and the direction towards which Muslims face when praying.