Definition
Hadj is an alternate spelling of Hajj, the annual Islamic pilgrimage to Mecca, Saudi Arabia. It is a mandatory religious duty for Muslims who are physically and financially able to undertake the journey. It is one of the Five Pillars of Islam. Hadj involves a series of rituals performed over several days. Think of it as the ultimate spiritual journey. It unites Muslims from all over the world. It's like a once-in-a-lifetime adventure.