☪ Al-Masjid an-Nabawī (Arabic: المسجد النبوي), also called the Prophet's Mosque, is a mosque established and originally built by the Islamic prophet Muhammad, situated in the city of Medina. Al-Masjid an-Nabawi was the second mosque built in the history of Islam and is now one of the largest mosques in the world. It is the second-holiest site in Islam, after al-Masjid al-Haram in Mecca.
Masjid al-Haram, Saudi Arabia Also known as The Sacred Mosque, Masjid al-Haram is the largest mosque on earth. Expanding over an area in excess of 4,000,000 square metres within the city of Mecca, Masjid al-Haram was built in 638 AD and has the capacity to be able to accommodate up to 4,000,000 people.