Saigoku Kannon Pilgrimage
The Saigoku Kannon Pilgrimage (西国三十三所, Saigoku Sanjūsan-sho) is a pilgrimage of thirty-three Buddhist temples throughout the Kansai region of Japan, similar to the Shikoku Pilgrimage. In addition to the official thirty-three temples, there are an additional three known as bangai (番外).
Source: Wikipedia — Saigoku Kannon Pilgrimage (CC BY-SA 4.0)