Out of Mecca, east to India, west across North Africa and on into Spain
The Muslim empire has influenced greatly on what now is Russia.
The Muslim empire had the greatest impact on the world than any other of the cultures because it so many contributions such as hospitals, medical textbooks, and much more. They had a Golden Age as well which was a time of learning and cultural diffusion. The Muslims owned a lot of land and if they weren't stopped in southern France, we would possibly speak in their language. that battle was called the Battle of Tours.
Many people don't realize that it took 1 hundred years to gather all of that land.