Madinah, also known as Medina, is a city in western Saudi Arabia. It is the second holiest city in Islam, after Makkah. Madinah is famous for being the place where the Prophet Muhammad migrated in 622 CE, marking the beginning of the Islamic calendar. The city is home to the Prophet's Mosque, which houses the tomb of Muhammad and is a significant pilgrimage site for Muslims. The city has a rich history and is known for its diverse culture and heritage. Madinah played a crucial role in the early development of the Islamic community and is a center for Islamic learning. Today, it attracts millions of visitors each year, especially during the Hajj pilgrimage season.