Archaeological surveys conducted in the early 1990s in the Shisr region of Dhofar governorate, revealed the existence of a city with a long-standing civilization that was the intersection of trade and roads between the Arabian Peninsula, Mesopotamia and the Old World. It is the historical Wubar city mentioned in many ancient books and maps. From 1992 until 1995, archaeological missions with the National Commission of Survey of Monuments in the Sultanate were conducted at this site after locating on a collapsed rock due to groundwater or earthquakes.
Which caused bombing of a spring pushing waters of the rock layers abroad, which attracted the human settlement of this spot from a long time to more than seven thousand years, with the discovery of the archaeological site, the program of exploration on the site began to verify its identity, architectural features and archaeological materials in it, huge poles had been discovered, towers and archaeological artifacts of metals, pottery, coins and other things, an archaeological finds also had been founded dating back to different periods of the Islamic era.