Tōzen-ji (東禅寺), is a Buddhist temple located in Takanawa, Minato, Tokyo, Japan. The temple belongs to the Myōshin-ji branch of the Rinzai school of Japanese Zen. One of the four great Zen temples of Edo, it is best known in history as the location of the first British legation in Japan during the Bakumatsu period and the site of a number of incidents against foreigners by pro-sonnō jōi samurai. The temple's precincts were designated a National Historic Site in 2010.