Template:Infobox settlement Miyauchi (宮内町, Miyauchi-chō) was a town located in Higashiokitama District, Yamagata Prefecture, Japan. Tun daga shekara ta dubu daya da dari tara da sittin da biyar 1965, garin yana da ƙididdigar yawan jama'a dubu goma sha bakwai da dari tara da talatin da tara 17,939 da yawan jama'a na mutane dari da tamanin da takwas 198 a kowace km². Jimillar yankin ya kai 90.61 km² ba. A ranar daya 1 ga watan Afrilu, dubu daya da dari tara da sittin da bakwai 1967, an haɗa Miyauchi a cikin garin Nan'yō wanda aka faɗaɗa don haka ba ya wanzuwa a matsayin karamar hukuma mai zaman kanta. An kafa ƙauyen Miyauchi a ranar 1 ga Afrilu, 1889, tare da kafa tsarin gundumomi. An tashe shi zuwa matsayin gari a ranar 1 ga Fabrairu, 1955, ta hanyar haɗuwa da ƙauyukan Urushiyama, Yoshino, da Kaneyama. A ranar 1 ga Afrilu, 1967, garin Miyauchi ya haɗu da garin Akayu da ƙauyen Wagō don zama garin Nan'yō Masallacin Kumano-taisha yana ɗaya daga cikin manyan Masallatan Kumano guda uku a Japan, wanda asalinsa ya koma karni na 9.