Individual #Xian__Sian__Singan__Changan__Hsian  a city of central China; capital of ancient Chinese empire 221-206 BC
  part of:  China
  type:  city__metropolis__urban_center__urbancenter  a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"

No statement uses or specializes Xian; click here to add one.