Site Municipality Comments Image Coordinates Type Ref. *Former Shizutani School 旧閑谷学校 附 椿山・石門・津田永忠 宅跡及び黄葉亭 kyū-Shizutani gakkō tsuketari Tsubakiyama・sekimon・Tsuda Nagatada taku ato oyobi kōyōtei Bizen designation includes Tsubakiyama, a stone gate, the site of Tsuda Nagatada Residence, and Kōyōtei Former Shizutani Site 34°47′47″N 134°13′12″E / 34.79637762°N 134.21987319°E / 34.79637762; 134.21987319 (Former Shizutani Site ) 4 2242 Kōmorizuka Kofun こうもり塚古墳 Kōmori kofun Sōja Kofun period tumulus Kōmori Kofun 34°40′02″N 133°47′10″E / 34.66729919°N 133.78601176°E / 34.66729919; 133.78601176 (Kōmori Kofun ) 1 2286 Innoshō Fortified Residence Site 院庄館跡(児島高徳 伝説地) Innoshō yakata ato (Kojima Takanori densetsu-chi) Tsuyama Muromachi period shugo fortified residence Innoshō Fortified Residence Site 35°03′43″N 133°56′35″E / 35.06198191°N 133.94317283°E / 35.06198191; 133.94317283 (Innoshō Fortified Residence Site ) 8 2244 Urama Chausuyama Kofun 浦間茶臼山古墳 Urama Chausuyama kofun Higashi-ku, Okayama Kofun period tumulus Urama Chausuyama Kofun 34°42′37″N 134°04′02″E / 34.71021689°N 134.06708448°E / 34.71021689; 134.06708448 (Urama Chausuyama Kofun ) 1 2293 Okayama Castle Site 岡山城跡 Okayama-jō ato Kita-ku, Okayama Edo Period castle Okayama Castle Site 34°39′54″N 133°56′10″E / 34.66497767°N 133.93606481°E / 34.66497767; 133.93606481 (Okayama Castle Site ) 2, 8 2304 Okayama Domain Ikeda clan cemetery 岡山藩主池田家墓所 附 津田永忠 墓 Okayama-han shu Ikeda-ke bosho tsuketari Tsuda Nagatada haka Okayama , Bizen , Wake Edo Period daimyo cemetery; designation includes the grave of Tsuda Nagatada Okayama Domain Ikeda Clan cemetery 34°39′35″N 133°58′22″E / 34.659645°N 133.97274318°E / 34.659645; 133.97274318 (Okayama Domain Ikeda Clan cemetery ) 7 3223 Shimotsumichi clan grave 下道氏墓 Shimotsumichi uji no haka Yakage Nara period tomb 34°36′59″N 133°37′38″E / 34.61638096°N 133.62727117°E / 34.61638096; 133.62727117 (Shimotsumichi clan grave ) 1, 7 2247 Kasagami no Moji-iwa 笠神の文字岩 Kasagami nomoji-iwa Takahashi Kamakura period monument 34°49′17″N 133°24′19″E / 34.82145597°N 133.40531011°E / 34.82145597; 133.40531011 (Kasagami no Moji-iwa ) 5,7 2272 Sabukaze Kiln Sites 寒風古窯跡群 Sabukaze koyō seki-gun Setouchi Kofun to Heian period Sue ware kiln ruins Sabukaze Old Kiln Sites 34°39′17″N 134°08′13″E / 34.65476404°N 134.13702418°E / 34.65476404; 134.13702418 (Sabukaze Old Kiln Sites ) 6 2302 Tsuruyama Maruyama Kofun 鶴山丸山古墳 Tsuruyama Maruyama kofun Bizen Kofun period tumulus 34°43′28″N 134°07′13″E / 34.72438119°N 134.12033637°E / 34.72438119; 134.12033637 (Tsuruyama Maruyama Kofun ) 1 2282 Ki Castle Mountain 鬼城山 Ki-no-jō-san Sōja Asuka period fortification ruins Ki Castle Mountain 34°43′38″N 133°45′59″E / 34.72713805°N 133.76651145°E / 34.72713805; 133.76651145 (Ki Castle Mountain ) 2 2303 Former Okayama Domain Han School 旧岡山藩藩学 kyū-Okayama-han hangaku Kita-ku, Okayama Edo Period han school Former Okayama Domain Han School 34°40′03″N 133°55′38″E / 34.66738024°N 133.92721166°E / 34.66738024; 133.92721166 (Former Okayama Domain Han School ) 4 2243 Kumayama ruins 熊山遺跡 Kumayama iseki Akaiwa Asuka period temple ruins Kumayama ruins 34°45′15″N 134°07′15″E / 34.75404635°N 134.12078974°E / 34.75404635; 134.12078974 (Kumayama ruins ) 3 2279 Takamatsu Castle ruins 高松城跡 附 水攻築提跡 Takamatsu-jō tsuketari Mizuzeme chikutei ato Kita-ku, Okayama Sengoku period castle ruins Takamatsu Castle ruins 34°41′09″N 133°49′38″E / 34.685734°N 133.827087°E / 34.685734; 133.827087 (Takamatsu Castle ruins ) 2 2260 Tsukuriyama Kofun 作山古墳 第一古墳 Tsukuriyama kofun Sōja Kofun period tumulus Tsukuriyama Kofun 34°39′53″N 133°46′10″E / 34.66467726°N 133.76942506°E / 34.66467726; 133.76942506 (Tsukuriyama Kofun ) 1 2241 Sannari Kofun 三成古墳 Sannari kofun Tsuyama Kofun period tumulus 35°04′03″N 133°53′53″E / 35.06757923°N 133.89811152°E / 35.06757923; 133.89811152 (Sannari Kofun ) 1 2298 Yotsuzuka Kofun Cluster 四ツ塚古墳群 Yotsuzuka kofun-gun Maniwa Kofun period tumulus 35°17′49″N 133°43′01″E / 35.29694646°N 133.7168419°E / 35.29694646; 133.7168419 (Yotsuzuka Kofun Cluster ) 1 2259 Tatetsuki Site 楯築遺跡 Tatetsuki iseki Kurashiki Yayoi period tumulus Tatetsuki Site 34°39′47″N 133°49′32″E / 34.66312002°N 133.82555634°E / 34.66312002; 133.82555634 (Tatetsuki Site ) 1 2300 Shōda temple ruins 賞田廃寺跡 Shōda Haiji ato Naka-ku, Okayama Asuka period temple ruins Shōda Haiji Site 34°41′54″N 133°57′41″E / 34.6982898°N 133.96128495°E / 34.6982898; 133.96128495 (Shōda Haiji Site ) 3 2290 Magane Ichirizuka 真金一里塚 Magane ichirizuka Kita-ku, Okayama Edo Period milestone Magane Ichirizuka 34°40′37″N 133°51′00″E / 34.67682917°N 133.85004977°E / 34.67682917; 133.85004977 (Magane Ichirizuka ) 6 2256 Jingūjiyama Kofun 神宮寺山古墳 Jingūjiyama kofun Kita-ku, Okayama Kofun period tumulus Jingūjiyama Kofun 34°41′02″N 133°55′50″E / 34.68380745°N 133.93061024°E / 34.68380745; 133.93061024 (Jingūjiyama Kofun ) 1 2283 Yata Ōtsuka Kofun 箭田大塚古墳 Yata Ōtsuka kofun Kurashiki Kofun period tumulus Yata Ōtsuka Kofun 34°38′08″N 133°40′53″E / 34.63550677°N 133.68147355°E / 34.63550677; 133.68147355 (Yata Ōtsuka Kofun ) 1 2258 Sōzume Tō Site 惣爪塔跡 Sōzume tō ato Kita-ku, Okayama Asuka period temple ruins 34°40′04″N 133°49′35″E / 34.6677683°N 133.82631749°E / 34.6677683; 133.82631749 (Sōzume Tō Site ) 3 2255 Tsukuriyama Kofun 造山古墳 第一、二、三、四、五、六古墳 Tsukuriyama kofun Kita-ku, Okayama Kofun period tumuli cluster Tsukuriyama Kofun 34°40′18″N 133°48′01″E / 34.67166566°N 133.80030002°E / 34.67166566; 133.80030002 (Tsukuriyama Kofun ) 1 2240 Ōmeguri-Komeguri Mountain Castle ruins 大廻小廻山城 跡 Ōmeguri-Komeguri sanjō ato Higashi-ku, Okayama Asuka period fortification ruins Ōmeguri-Komeguri Mountain Castle ruins 34°43′15″N 134°01′13″E / 34.72095347°N 134.02017233°E / 34.72095347; 134.02017233 (Ōmeguri-Komeguri Mountain Castle ruins ) 3 3421 Ōdara Yosemiya ruins 大多羅寄宮 跡 Ōdara Yosemiya ato Higashi-ku, Okayama Edo Period shrine ruins Ōdara Yosemiya ruins 34°40′08″N 134°00′30″E / 34.66897158°N 134.00830036°E / 34.66897158; 134.00830036 (Ōdara Yosemiya ruins ) 3 2250 Ōya-Sada Kofun Cluster 大谷・定古墳群 Ōya-Sada kofun-gun Maniwa Kofun period tumuli cluster Ōya-Sada Kofun Cluster 34°56′32″N 133°37′51″E / 34.94220009°N 133.63095891°E / 34.94220009; 133.63095891 (Ōya-Sada Kofun Cluster ) 1 00003575 Tsukumo Shell Mound 津雲貝塚 Tsukumo kaizuka Kasaoka Jomon period shell midden Tsukumo Shell Mound 34°29′03″N 133°31′59″E / 34.48413713°N 133.53304307°E / 34.48413713; 133.53304307 (Tsukumo Shell Mound ) 1 2288 Tsuyama Castle ruins 津山城跡 Tsuyama-jō ato Tsuyama Edo Period castle ruins Tsuyama Castle ruins 35°03′46″N 134°00′19″E / 35.06273021°N 134.00533402°E / 35.06273021; 134.00533402 (Tsuyama Castle ruins ) 2 2285 Tsushima Site 津島遺跡 Tsushima iseki Kita-ku, Okayama Yayoi period settlement ruins Tsushima Site 34°40′46″N 133°55′01″E / 34.67932788°N 133.91694479°E / 34.67932788; 133.91694479 (Tsushima Site ) 1 2289 Hata temple ruins Pagoda Site 幡多廃寺塔跡 Hata Haiji tō ato Naka-ku, Okayama Asuka period temple ruins Hata temple ruins Pagoda Site 34°40′52″N 133°57′42″E / 34.68108463°N 133.96158241°E / 34.68108463; 133.96158241 (Hata temple ruins Pagoda Site ) 3 2277 Bizen Kokubun-ji ruins 備前国分寺跡 Bizen Kokubunji ato Akaiwa Nara period provincial temple of Bizen Province Bizen Kokubunji ruins 34°44′20″N 133°59′58″E / 34.73885881°N 133.99942723°E / 34.73885881; 133.99942723 (Bizen Kokubunji ruins ) 3 2295 Bizen pottery kiln ruins 備前陶器窯跡 Bizen tōki kama ato Bizen Muromachi to Edo period kiln ruins Bizen pottery kiln ruins 34°44′11″N 134°09′36″E / 34.73652364°N 134.15992734°E / 34.73652364; 134.15992734 (Bizen pottery kiln ruins ) 1, 6 2284 Bitchū Kokubun-ji ruins 備中国分寺跡 Bitchū Kokubunji ato Sōja Nara period provincial temple of Bitchū Province Bitchū Kokubunji ruins 34°40′00″N 133°46′56″E / 34.66654808°N 133.78218207°E / 34.66654808; 133.78218207 (Bitchū Kokubunji ruins ) 3 2287 Bitchū Kokubunni-ji ruins 備中国分尼寺跡 Bitchū Kokubunniji ato Sōja Nara period provincial nunnery of Bitchū Province Bitchū Kokubunniji ruins 34°40′04″N 133°47′19″E / 34.66776429°N 133.78865823°E / 34.66776429; 133.78865823 (Bitchū Kokubunniji ruins ) 3 2246 Bitchū Matsuyama Castle ruins 備中松山城跡 Bitchū Matsuyama-jō ato Takahashi Edo Period castle ruins Bitchū Matsuyama Castle ruins 34°48′32″N 133°37′20″E / 34.8088433°N 133.6222081°E / 34.8088433; 133.6222081 (Bitchū Matsuyama Castle ruins ) 2 2280 Onoe Kurumayama Kofun 尾上車山古墳 Onoe Kurumayama kofun Kita-ku, Okayama Kofun period tumulus Onoe Kurumayama Kofun 34°39′32″N 133°51′55″E / 34.65898788°N 133.86524542°E / 34.65898788; 133.86524542 (Onoe Kurumayama Kofun ) 1 2291 Mimasaka Kokubun-ji ruins 美作国分寺跡 Mimasaka Kokubunji ato Tsuyama Nara period provincial temple of Mimasaka Province Mimasaka Kokubunji ruins 35°03′00″N 134°02′28″E / 35.0500381°N 134.04100084°E / 35.0500381; 134.04100084 (Mimasaka Kokubunji ruins ) 3 3434 Miwayama Kofun Cluster 美和山古墳群 Miwayama kofun-gun Tsuyama Kofun period tumuli cluster Miwayama Kofun Cluster 35°03′48″N 133°58′00″E / 35.06321333°N 133.96658576°E / 35.06321333; 133.96658576 (Miwayama Kofun Cluster ) 1 2297 Hikozaki Shell Mound 彦崎貝塚 Hikozaki kaizuka Minami-ku, Okayama Jomon period shell midden 34°32′58″N 133°50′07″E / 34.54957279°N 133.83533407°E / 34.54957279; 133.83533407 (Hikozaki Shell Mound ) 1 00003576 Fukuyama Castle ruins 福山城 跡 Fukuyama-jō ato Sōja Nanboku-chō period castle ruins Fukuyama Castle ruins 34°38′47″N 133°45′35″E / 34.64635014°N 133.75980121°E / 34.64635014; 133.75980121 (Fukuyama Castle ruins ) 2 2270 Mantomi Tōdai-ji Tile Kiln Site 万富東大寺瓦窯跡 Mantomi Tōdaiji kawara gama ato Higashi-ku, Okayama Nara period tile kiln ruins Mantomi Tōdaiji Tile Kiln Site 34°45′45″N 134°04′52″E / 34.76255978°N 134.08124233°E / 34.76255978; 134.08124233 (Mantomi Tōdaiji Tile Kiln Site ) 6 2252 Mitsukuri Genpo former residence 箕作阮甫 旧宅 Mitsukuri Genpo]] kyū-taku Tsuyama Edo Period translator and rangaku scholar Mitsukuri Genpo former residence 35°03′47″N 134°00′59″E / 35.06308742°N 134.0162578°E / 35.06308742; 134.0162578 (Mitsukuri Genpo former residence ) 8 2294 Musa Ōtsuka Kofun 牟佐大塚古墳 Musa Ōtsuka kofun Kita-ku, Okayama Kofun period tumulus Musa Ōtsuka Kofun 34°43′31″N 133°58′36″E / 34.72521086°N 133.97680258°E / 34.72521086; 133.97680258 (Musa Ōtsuka Kofun ) 1 2261 Kadota Shell Mound 門田貝塚 Kadota kaizuka Setouchi Yayoi period shell midden Kadota Shell Mound 34°40′00″N 134°05′40″E / 34.66663329°N 134.09454316°E / 34.66663329; 134.09454316 (Kadota Shell Mound ) 1 2301 Ryōgūzan Kofun 両宮山古墳 Ryōgūzan kofun Akaiwa Kofun period tumulus Ryōgūzan Kofun 34°44′23″N 134°00′10″E / 34.73975766°N 134.00264879°E / 34.73975766; 134.00264879 (Ryōgūzan Kofun ) 1 2251 Honren-ji (Joseon Mission Sites ) 朝鮮通信使遺跡 Chōsen tsushinshi iseki Setouchi designation includes Honren-ji ( 本蓮寺 ) , Seiken-ji ( 清見寺 ) in Shizuoka , Shizuoka Prefecture , and Fukuzen-ji ( 福禅寺 ) in Fukuyama , Hiroshima Prefecture Joseon Mission Sites - Honrenji 34°37′00″N 134°09′51″E / 34.616743°N 134.164073°E / 34.616743; 134.164073 (Joseon Mission Sites - Honrenji ) 9 3097