Gojo City is located in the area along the Yoshino-gawa River (called the Kino-kawa River in Wakayama Prefecture), and has been thought important as a strategic traffic point connecting Yamato Province with Kii Province, or as an entrance into Yoshino Mountains since ancient times.
吉野川（和歌山県では紀の川）流域に位置し、大和国と紀伊国を結ぶ交通の要衝として、また吉野山地への入口として古来より重視されてきた。