Buddhism originated in India and spread worldwide. Today there are many different sects that have evolved from the two main branches of Buddhism. Koyasan Shingon Buddhism is one of the eighteen schools in Shingon Sect of Japanese Buddhism..Koyasan holds two major holy areas that essential to the doctrines of Shingon Buddhism. One is Okunoin, the heart of the faith, where the Mausoleum of Kobo Daishi is enshrined. The other is Danjo Garan, the precinct for religious practices. The doctrines and the tradition of Koyasan Shingon Buddhism are still carried on in this sacred mountain in the same ways that they did since 816.