Kangiin Kumagaya

Kangi-in is a Buddhist temple in Kumagaya, Saitama Prefecture, Japan. It was founded in 1179 and is affiliated with the Kōyasan Shingon-shū sect of Buddhism. The temple's Shōden Hall was designated as a Japanese National Treasure in 1984. It is the only building in Saitama to have been designated as a national treasure.

Source: Wikipedia