Answer;
-Islam
Step-by-step explanation;
Mecca - The Kaaba, in Mecca, Hejaz region, today's Saudi Arabia, is the center of Islam. Muslims from all over the world gather there to pray in unity.
A pilgrimage is a journey or search of moral or spiritual significance. For example in Islam; The Hajj, or Pilgrimage to Mecca, is a once-in-a-lifetime obligation for those who have the physical and financial ability to undertake the journey. The Hajj is essentially a re-enactment of the rituals of the great prophets and teachers of faith.