Ranikot

It is the largest fort of its kind in the region and in the world, It is situated in the of the Kirthar Range about 30 km southwest of Sann, Jamshoro district of Sindh, approximately 90 km north of Hyderabad, in Pakistan. It has an approximate diameter of 9 km. Its walls are on the average 6 meters high and are made of gypsum and lime cut sandstone and its total circumference is about 29 km of which 8 km walls are man-made. While originally constructed for bow and arrow warfare it was later expanded to withstand firearms.