Answer
Kufa is a city in southern Iraq. It was founded by Sa'd ibn Abi Waqqas, one of the companions of the Prophet Muhammad, in 638 CE. Kufa was the capital of the Umayyad Caliphate and a major center of Islamic learning and culture. The city is home to many historical sites, including the Great Mosque of Kufa, which is one of the oldest mosques in the world.