was a town located in Higashiokitama District, Yamagata Prefecture, Japan. As of 1965, the town had an estimated population of 17,939 and a population density of 198 persons per km². The total area was 90.61 km². On April 1, 1967, Miyauchi was merged into the expanded city of Nan'yō and thus no longer exists as an independent municipality. History The village of Miyauchi was established on April 1, 1889, with the establishment of the municipalities system. It was raised to town status on February 1, 1955, by merging with the villages of Urushiyama, Yoshino, and Kaneyama. On April 1, 1967, the town of Miyauchi merged with the town of Akayu and the village of Wagō to form the city of Nan'yō Local attractions The Kumano-taisha Shrine is one of the three great Kumano Shrines in Japan, whose origins date back to the 9th century. Every July, the shrine is the focus of Miyauchi's main festival, when omikoshi (portable shrines) are paraded around the town before being returned to the main shrine. holds a rose festival in June, and a is held in October. The festival's highlight is a series of human dolls made from locally grown chrysanthemums. The Hygeia Park onsen, which contains a small Isabella Bird Memorial Exhibition, is also situated in the town Transportation Highway Japan National Route 113 Rail Yamagata Railway Company – Flower Nagai Line - Dissolved municipalities of Yamagata Prefecture Nan'yō, Yamagata