As the objects for worship, Dainichi Nyorai of both Kongokai (spiritual principles) and Taizokai (physical principles) are enshrined in Saito (literally, Western Tower) and Konpon Daito (literally, Primal Tower), and there is a danjo (platform for religious practice) on which Garan and halls such as Miedo Hall (It was a dwelling of Kobo Daishito and now enshrines Mie (image) of Kobo Daishi) and Fudodo Hall are built, and the mausoleum of Kobo Daishi in Okunoin, where he attained Nirvana, is the sacred place.
信仰の対象としては、西塔・根本大塔には両部（金剛界・胎蔵界）大日如来を祀り、御影堂（みえどう）（弘法大師御住坊・現在は、真如様（しんにょよう）の弘法大師御影（絵像）を祀る）・不動堂などの伽藍・諸堂がある壇上があり、弘法大師入定の地・奥の院御廟は聖地。