Situated strategically on the Khirthar range to the North West corner of Sindh (Pakistan), is the largest easing fort in the world called Rani Kot.
It is perhaps one of the oldest archaeological site in Pakistan and is surrounded by Amri, Mohenjodaro and Gaji Shah site.
It is believed to be the largest fort in the world with a circumference of approximately 25 km or 16 miles. It has a running wall of stone 4 to 5 in high encompassing 22 square miles. It is located in the Khirthar Mountains Range, about 30 km from Indus Highway to southwest of Sann town, in Jamshoro District.