The area of present-day Iitate was part of Mutsu Province. During the Edo period, the area was part of the holdings of Sōma Domain. After the Meiji restoration, on April 1, 1889, the villages of Iiso, Osu and Niitate were created within Sōma District, Fukushima with the establishment of the modern municipalities system. On April 1, 1942, Osu and Niitate merged to form the village of Odate, which then merged with Iiso on September 30, 1956 to form Iitate. In September 2010, Iitate was designated one of The Most Beautiful Villages in Japan.Association of the Most Beautiful Villages in Japan
