The original meaning of Ira (Yila village), or Kurgul or Kurag in the Paiwan language, is unknown. The "Takasago Survey Book" from the Japanese occupation period pointed out that this settlement lived in the Tabataban settlement about 270 years ago, and because of the increasing population, the reduced arable land, lest it not possible to maintain the survival of a community in the future. At that time the three sons of the leader each chose a place to move to. One of the three sons and some tribesmen moved to the old settlement site to form the current settlement. At resent, the settlement is located on the left bank of the north Ailiao River, north of Mount Tianliangjing, below the east side of Provincial Highway 24, on the slope of the gently sloping river bank with an elevation of about 300 meters, is the westernmost settlement of the whole township. It was formed in 1955 by the relocation of the old settlement. The old settlement is located above the south side of the current site, on a slope with a slightly higher terrain of about 330 meters.

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