Registered Tangible Cultural Properties of Japan

Okayama's Oga Family Residence Main House anchors a late Edo merchant estate of 9 registered buildings, with a 6-room plan and a tiled namako gable wall.

The Oga Family Residence Pickle Barn and Cargo Barn holds a closed pickling room at one end and an open loading bay at the other, 48 square metres in all.

At 19 square metres the Oga Family Residence Barn is the smallest registered building on this Okayama estate, its northeast corner cut back for a canal.

A late Edo two-storey reception building moved to the Oga Family Residence in Okayama in mid-Meiji, with cherry veranda boards and a bark-edged cedar ceiling.

The Oga Family Residence Detached Reception Room in Okayama turns its 8-mat sukiya room towards a garden said to have come from a nearby domain villa.

Stone breakwater on Otafu Island, Bizen, built in 1698 by Tsuda Nagatada for Okayama domain: 129.7 metres of curved two-tier stonework, a rare pre-Meiji harbour.

Formerly the Mimamoridono, this 48 square metre pavilion of 1885 issues amulets and tablets, and mirrors the shrine office across the court. Listed in 2024.

An 1848 thatched hall of 274 square metres, moved to this site in 1882. Its 36.5-mat teaching floor and the founder's own room both survive. Listed in 2024.

Built in 1885 as the Mikedono, a hall for sacred offerings, this 46 square metre pavilion is now the priest's room and the shrine's reception. Listed in 2024.

A late Edo gatehouse of 58 square metres on the street, with a gable at one end and a hipped gable at the other, and charred cedar walls. Listed in 2024.

An 1885 hall of 262 square metres with a paired-gable roof and a column-free teaching floor spanned by one long beam. Listed in 2024, and still in daily use.

An 1885 covered passage of 27 square metres joining the worship hall to the shrine office, with a roofed branch running north to the martial arts hall. Listed 2024.

An 1885 roofed passage of 27 square metres running from the worship hall to the amulet office, its raised corner floor doubling as a store. Listed in 2024.

Built in 1899 as the movement's main preaching hall, this 616 square metre building uses timber trusses to clear some 200 mats without a column. Listed 2024.

An 1885 sanctuary at the birthplace of Kurozumi-kyo in Okayama City. At 37 square metres it carries paired gables, carving and metal fittings. Listed in 2024.

An 1885 gate 2.2 metres wide with 62 metres of fence around the sanctuary, carrying a carved rabbit among waves and standing on tightly cut stone. Listed in 2024.

Okayama Former Bank of Japan Hall, built in 1922 by Nagano Uheiji, carries a Corinthian portico in granite. It survived the 1945 air raid and is now a concert hall.

Okayama Temperance Hall was built in 1923 as the base of a movement against drink. The timber building survived the 1945 raid and still houses a ground floor cafe.

Built in 1910 as the officers' club of the army's 17th Division, this timber building carries Ionic columns and semicircular pediments. Registered in 2012.

Completed in 1957 alongside the main block, this three-storey chamber by Maekawa carries an unbroken line of perforated brick beneath its cantilevered top floor.