Marrakech is a city located in central Morocco, inland, at the foot of the Atlas Mountains. It is nicknamed the “red city” or the “ocher city” in reference to the red color of a large part of its buildings and houses. The city was founded in 1071 by Youssef ben Tachfine, at the head of the Berber Empire of the Almoravids. In the past, Morocco was known in the East as Marrakech (still relevant in Iran); the name Morocco comes from the deformation of the Portuguese pronunciation of Marrakech: Marrocos. Marrakech has 928,850 inhabitants according to the 2014 census, spread over an area of ​​230 km2. The population density reaches 350 inhabitants per hectare in the Medina.