Enmyō-in (圓明院) is a Buddhist temple of the Shingon Chizan sect located in Kisarazu in Chiba Prefecture. Its go-honzon, or primary object of veneration, is a statute of Ācala, known in Japanese as the Fudō Myōō, or the "Immovable Wisdom King." A well-known kaya, or Japanese nutmeg-yew tree, of almost 5.4 meters in circumference is located within the temple grounds.