Sousse is renowned for its UNESCO-listed medina featuring the magnificent Great Mosque built in 851 CE and the distinctive ribat fortress-monastery that served as both a religious center and coastal defense. The city has been a significant Islamic center since the 7th century conquest, playing a crucial role in the spread of Islam across North Africa. Today, Sousse maintains a vibrant Muslim community with numerous active mosques and traditional Islamic schools, preserving centuries-old religious and cultural practices.