Dayuan
Dayuan (or Tayuan; Chinese: 大宛; pinyin: Dàyuān; lit. 'Great Ionians'; Middle Chinese dâiC-jwɐn < LHC: dɑh-ʔyɑn) is the Chinese exonym for a country that existed in Ferghana valley in Central Asia, described in the Chinese historical works of Records of the Grand Historian and the Book of Han.