Zen is a school of Mahayana Buddhism that originated in China during the Tang dynasty

Zen is a school of Mahayana Buddhism that originated in China during the Tang dynasty, there known as the Chan School and later developed into various schools. It was strongly influenced by Taoist philosophy, especially Neo-Daoist thought, and developed as a distinct school of Chinese Buddhism. From China, Chán spread south to Vietnam and became Vietnamese Thiền, northeast to Korea to become Seon Buddhism, and east to Japan, becoming Japanese Zen.