Chefchaouen, or Chaouen (locally known as the Blue City), is a city in northern Morocco, in the Tangier-Tetouan-Al Hoceima region. It was founded in 1471.
The Qarawiyyin Mosque, also known as the "University Mosque", is a mosque in the Moroccan city of Fez, built during the reign of the Idrisid Sultan Yahya I.