In which country did the Mamluk army exist?
In Egypt. The most enduring Mamluk realm was the knightly military caste in Egypt in the Middle Ages, which developed from the ranks of slave soldiers. These were mostly enslaved Turkic peoples, Egyptian Copts, Circassians, Abkhazians, and Georgians. Many Mamluks were also of Balkan origin (Albanians, Greeks, and South Slavs).