Al-Masjid an-Nabawi (Arabic: المسجد النبوي) or the Prophet's Mosque is a great mosque in Medina, Saudi Arabia. It stands on the site of a mosque built by the Prophet Muhammad himself next to his house and contains his tomb. The Prophet's Mosque is the second holiest mosque in the world after al-Haram in Mecca. (Al-Aqsa in Jerusalem comes in third.)