Zedang Town located at China's Tibet autonomous region Yarlung Zangbo River middle reaches Nanan. Elevation 3551 meters. Population approximately 15,200. Hides the meaning to play the dam or the play-ground. Before the 1950s, returned to the western paradise Tibet Local authority Nie Dongzong (county) to have jurisdiction, the common people were the temple jurisdiction, the land are three big feudal lords hold, the lives of the people were very impoverished. After the 50s, has built up the hospital, the school, the theater, the bookstore, the post office, the bank, the hotel, the restaurant and the automobile one after another makes repairs, the farm machinery to make repairs, productions and the cultural life facility and so on grain processing, water and electricity, and is low using the local elevation, the climate to be temperate, the soil fertile superiority, completes the South of Tibet regional granaries. Shannan area politics, economical, cultural and transportation center.