With its origins in the worship of nature, Shinto holds the seas, mountains, and rivers sacred as shintai (an object of worship at a Shinto shrine that is believed to represent the spirit of a deity) and in early Shinto shrines, either no particular names were given to such enshrined deities or their names are unknown.
元々神道は海・山・川などを神体とする自然崇拝から始まったものであり、初期の神社では、そこに祀られる神には特に名前はないか、不詳であった。