The route and journey towards Yamatai from a commandery, which existed in the northern part of the Korean Peninsula at that time and was a territory of the Wei dynasty (Three Kingdoms Period), is written in Gishiwajinden.
魏志倭人伝には、魏(三国)の領土で朝鮮半島北部に当時あった郡から邪馬台国に至る道程が記されている。