The Koyasan Temple was the center of belief as the head temple of the Shingon sect as well as the Enryaku-ji Temple and a big power in the Kii Province which had 170,000 koku (approximately 30.6 million liters of crop yield) of scattered jiryo (temple estate) all over the country.
高野山は真言宗の本山として延暦寺と並ぶ信仰の中心であると共に、全国に散在する寺領の合計は17万石に達する紀伊の一大勢力であった。