Sai island lies ( 300)Km northern of Barkal mountain . As a result of its geographical location that neighbors lower Nubian area , Sai had witnessed continuous conflict throughout its ancient history . The region was loyal to several kingdoms meanwhile it was apart of local Sudanese kingdoms during its week situations . So , it contains remain of all ancient times starting from before history . In this area there is several archeological testemoies of Karma , Napata , Merowe , Christian civilizations in addition to Islamic sites represented by ottomani buildings.