Trek to Mecca is a religious pilgrimage that Muslims take to the holy city of Mecca in Saudi Arabia. The journey is known as Hadj (4 letters), Haj (3 letters) or Hajj (4 letters). It is an important part of the Islamic faith and is one of the five pillars of Islam. During the pilgrimage, Muslims perform various rituals and prayers at the Kaaba, the holiest site in Islam. The Hajj is a physically and spiritually demanding journey that requires great dedication and commitment.