1. Masjid al-Haram, Mecca, Saudi Arabia Masjid al-Haram is the largest mosque in the world. Located in the city of Mecca, it surrounds the Kaaba, the place which Muslims worldwide turn towards while offering daily prayers and is Islam’s holiest place. The mosque is also known as the Grand Mosque. The current structure covers an area of 4,008,020 square metres (990.40 acres) including the outdoor and indoor praying spaces and can accommodate up to four million Muslim worshippers during the Hajj period, one of the largest annual gatherings of people in the world. 2. Al-Masjid al-Nabawi Al-Masjid al-Nabawi “Mosque of the Prophet”), often called the Prophet’s Mosque, is a mosque situated in the city of Medina. As the final resting place of the Islamic Prophet Muhammad, it is considered the second holiest site in Islam by both Shia and Sunni Muslims (the first being the Masjid al-Haram in Mecca) and is the second largest mosque in the world. 3. Imam Reza ...