New Shingon Buddhism

is a Buddhist temple located in the city of Iwade, Wakayama Prefecture in the Kansai region of Japan. Surrounded by the sacred peaks of the Katsuragi Mountains, the temple grounds were designated as a National Historic Site and a National Place of Scenic Beauty in 2007.

thumb|Kakuban sculpture (Mitsugon-dō), Oku-no-in, Kōya-san thumb|Mausoleum of Kakuban in Negoro-ji Kakuban (覚鑁/覺鑁; 1095–1143), known posthumously as Kōgyō-Daishi (興教大師) was a priest of the Shingon sect of Buddhism in Japan and credited as a reformer, though his efforts also led to a schism between and . Kakuban is also famous for his introduction of the "esoteric nembutsu".