Mysterious, remote and undiscovered, Madain Saleh is one of the most significant archaeological sites in the Arabian Peninsula. The historic name of Mada’in Saleh is Hegra, or al-Hijr in Arabic. Madain Saleh is located in Al Ula, in the Hijaz region of western Saudi Arabia, some 300 kms north of Medina and 500 kms south-east of its sister city, Petra in Jordan. In this comprehensive guide you can read in detail about Madain Saleh’s history, learn in depth knowledge about…