This is Amida-do Hall architecture at Chuson-ji Temple; a squared hall whose side is sangen in length that shows the glory of the Oshu-Fujiwara clan for three generations, and is also called 'Hikarido' (Hall of Light).
中尊寺に所在する、奥州藤原氏三代の栄華を示す方三間の阿弥陀堂建築であり、「光堂」とも称する。