jpdb beta

Toyo (former province located in present-day Ōita and Fukuoka prefectures; later split into Buzen and Bungo provinces); affluent country; rich country

Koshi (former province located in present-day Fukui, Ishikawa, Toyama and Niigata prefectures; later split into Echizen, Etchū, and Echigo)

Japan; ancient name for Japan appearing in the Kojiki