Yakushi-ji, located in Nara Prefecture, Japan, is a significant Buddhist temple with a rich history dating back to the 7th century. Founded by Emperor Tenmu, it was originally built as an act of devotion and a prayer for recovery from illness. The temple is renowned for its architecture, including the East Pagoda, which has survived since the temple's establishment and is considered a national treasure. As the head temple of the Hosso school of Japanese Buddhism, Yakushi-ji not only serves as a place of worship but also stands as a testament to the historical and cultural development of Buddhism in Japan.