The Arab Traveler Al-Beruni in his writings on India, mentions a place where he stayed and it was a great center of learning. It was called Nandana and it was a Hill Fortress on the eastern most escrapement of the Salt Range. The Salt Range is some senses is the youngest Range of the Himalayan Complex and lies between the Jhelum and the Indus in Northern Punjab and includes the Potohar Plateau. This low Mountain Range is called so because of the great Salt deposits that are found in this Range and it is famous for. As such the Fortress was located on a strategic location overlooking what was called the Nandana Pass.