Ochiai (Akita)

…The town occupies the Naraoka River basin, a tributary of the Omono River, and most of the town area is forested. The central settlement is Ochiai, at the confluence of the Naraoka River and the Nishinomata River. In the early modern period, the Omono River was a shipping point, and the town was a distribution center for goods. Nishi-Itado, located at the confluence of the Naraoka River and the Omono River, is a ferry terminal to Kita-Naraoka (now Kamioka Town) on the opposite bank, and played an important role in shipping on the Omono River. …

*Some of the terminology that mentions "Ochiai (Akita)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…雄物川支流の楢岡（ならおか）川流域を占め，町域の大部分は山林である。中心集落は楢岡川と西ノ又川の合流点にあたる落合で，近世は雄物川舟運がここまで遡航し，物資の集散地であった。楢岡川と雄物川の合流点に位置する西板戸は対岸の北楢岡(現，神岡町)への渡船場で，雄物川舟運にも大きな役割を果たした。…

※「落合（秋田）」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報