The region of Pakistan has been invaded in the past , occupied and settled by many different people , including Aryans , Greeks , White Huns , Arabs , Turks , Mongols and various Eurasian groups . Pakistan has been invaded many times in the past , and has been occupied and settled by many different peoples , each of whom have left their imprint on the current inhabitants of the country . Some of the largest groups were the ` Aryans ' , Greeks , Scythians , Persians , White Huns , Arabs , Turks , Mongols , Afghans , Buddhists and other Eurasian groups , up to and including the British , who left in the late 1940s .