There is no Muslim city in Western Europe.
Most prosperous
most prosperous
Medina.
There were numerous cities under Muslim control in 633 C.E. when Mohammed died. Probably the two most important cities were Mecca and Yethrib (now called Medina). Additionally, Najran, Sana'a, Aden, and Jeddah were also cities under Muslim control.
Cairo came under Muslim control in 640 AD during the Arab conquest of Egypt, led by Amr ibn al-As. The city was later established as the capital of Egypt by the Fatimid Caliphate in 969 AD, becoming a significant center of Islamic culture and learning. Throughout its history, Cairo has remained under various Muslim dynasties, solidifying its status as a key city in the Islamic world.
Most prosperous
Ancient Pompeii is located in Europe and is a western Italian city under control of the Roman empire***Ameri23***
Europe was not under anyone's control. It was a mass tribal areas of Celtic, Germanic, Spanish, Latin and Scythian peoples and the southern coast was dotted with Greek city-states.
It is the holiest city for Jews and 2nd most holy for Muslims and both believe that the city should be under there respective control. It is currently part of the Jewish country of Israel but is claimed by the partially recognized Muslim country of Palestine.
Istanbul, the only city that connects two continents: Asia and Europe. The city served as capital to Ottoman Empire and now it is the biggest city of Republic of Turkey. Since Turkey is a Muslim country and Istanbul is on very important trade routes, Istanbul is the best answer to that question
It lead to a Fourth Crusade six years later, and Jerusalem remained under Muslim control, which allowed unarmed Christian pilgrims to visit the city.