[1] The Matsura region, Sayohime's alluded place of origin, spans the current-day Nagasaki and Saga Prefectures.

[2] However, the specific mountaintop that had been dubbed Hirefurinomine (領巾麾嶺, "Scarf-Waving Peak"), as attested in the Man'yōshū,[3] has been identified as the summit of Mount Kagami [ja], on the eastern edge of the city of Karatsu, Saga.

[a] Some versions of the legend of Matsura Sayohime(var.

Lady Otohi or Otohi-hime) are classed as the Miwasan-kei setsuwa (三輪山型説話, "stories of the Mt.

Miwa pattern")[b] But there is no enduring sign of snake worship in the original vicinity of the legend in the Matsura region, where a local shrine houses the supposed petrified remains, or bōfuseki (望夫石, "rock that contemplates the husband"), of Lady Matsura.