What is mosque of the prophet?

The Mosque of the Prophet, also known as Al-Masjid an-Nabawi, is one of the holiest mosques in Islam, located in Medina, Saudi Arabia. It was originally built by the Prophet Muhammad in 622 CE and has since undergone several expansions and renovations. The mosque houses the Prophet's tomb, making it a significant pilgrimage site for Muslims. It serves as a center for worship and community activities, attracting millions of visitors each year.