It was built Yuan Dynasty) Ming Dynasty), foundation of of the capital Dynasty. In the Terrace as its from 1366 A.D.(the to 1386 A.D.(the expanded on the the just south gate of South-Tang south there isYuHua natural barrier,  both inside and outside of the city wall the Qinhuai River passes across from east to west. Facing the Changgan Bridge in the frongt and leaning on the Zhenhuai Bridge in the back, it is called the important thorouthfare and strategic passage because of its important terrain.
It used to be called Treasure Pottery Gate, or the Um City Gate because of its urn-like shape.In 1931 it was renamed to Zhonghua Gate. In 1931 it was renamed it was the most magnificent one and its scare was most enormous. Nowdays it is the second to none and the only ancient castle in the world.