Masjid al-Haram, Saudi Arabia, aka The Sacred Mosque, Masjid al-Haram is the largest mosque on earth. Expanding over square metres within the city of Mecca, Masjid al-Haram was built in 638 AD & has the capacity to be able to accommodate up to people.
The main prayer hall of the mosque is where prayers are held and it usually covers a wide area to accommodate the people. It also occupies the most prominent spot in the mosque. One important feature in the mosque is the qibla.