Jiaohe Ancient City,or Ruins of Jiaohe City, is located at Yarnaizgou Township. 13 kilometers west of downtown Turpan. The city was in existence from the late Warring States Period (475-221 B.C.) to the Yuan Dynasty (1206-1368). It stood on an oblong tableland with three gates in the southern, eastern and western sides. Vestiges of 85 Buddhist temples, prayer halls, pagodas and altars remain in this site.