Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
Buddhism in Italy zen monastery Ensoji il Cerchio, founded and guided by the zen master Testugen Serra; in Pomaia, the Tibetan Buddhism finds one of the biggest center in Europe, the Lama Tzong Khapa Institute. The Vajrayana Buddhism is represented, among others, by the centers of the Diamond Way Buddhism of the Kagyu school, spread in almost all the Italian regions. Even the Japanese Buddhist school founded by Nichiren Daishonin sees in the UBI his representance: the temple of the Nichiren Shu Renkoji, in Cereseto, near Novara, guided by the master Shoryo Tarabini, and the association Nipponzan Myohonji, which provided to the grounding