The Azan is a Muslim call to prayer that is called out five times a day by a Muezzin from a Mosque. The first Muezzin was Bilal ibn Rabah, a black slave who became an early follower of the Prophet Muhammad (s).

Makkah Al-Mukarramah is the holiest city for Muslims and is located in Saudi Arabia. It is the birthplace of the Prophet Muhammad (s) and the site of the Kaa'ba, a sacred building (Qibla) at the center of the Al-Haram Mosque. Every year, millions of Muslims from around the world make pilgrimages to Makkah to take part in the ritual acts of Hajj.

Madinah Al-Munawwarah is a city in Saudi Arabia that is considered the second most important site for Muslims. It is the place where the Prophet Muhammad (s) found refuge after fleeing Makkah in 622 AD and where he spent the rest of his life. Madina is a holy place for Muslims and is visited by millions of pilgrims every year.