| | English Name | Japanese Name | Castle Type | Castle Condition | Historical Period | Prefecture | Year Visited | AddedJcastle | GPSLocation |
|---|
| Aburakawa Nobue Yashiki | Aburakawa Nobue Yashiki | 油川信恵屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.62068, 138.60005 |
| Ahoyama Castle | Ahoyama Castle | 青山城 | Mountaintop | Ruins only | Pre Edo Period | Shiga Prefecture | 2024 | 2024 | 35.05765, 135.85202 |
| Aida Yakata | Aida Yakata | 会田館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 36.35335, 137.99302 |
| Aika Yashiki | Aika Yashiki | 秋鹿屋敷 | Fortified Manor | Ruins only | Edo Period | Shizuoka Prefecture | Viewer Contributed | 2025 | 34.71337, 137.84806 |
| Aiki Castle (Minochi) | Aiki Castle (Minochi) | 相木城 | Flatland | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.66515, 138.20489 |
| Aimiyamamonomi Fort | Aimiyamamonomi Fort | 逢見山物見砦 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 36.02708, 137.90945 |
| Ainuta Fort | Ainuta Fort | 相垈塁 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.72143, 138.45165 |
| Aizu Wakamatsu Castle | Aizu Wakamatsu Castle | 会津若松城 | Hilltop | Reconstructed main keep | Edo Period | Fukushima Prefecture | 1997
1998
2003
2011 | 1999 | 37.48777, 139.9299 |
| Akagi Kita Castle | Akagi Kita Castle | 赤木北城 | Hilltop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.16266, 137.97342 |
| Akagi Minami Castle | Akagi Minami Castle | 赤木南城 | Hilltop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.15552, 137.97314 |
| Akagi Yakata | Akagi Yakata | 赤木館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.16161, 137.97116 |
| Akahori Castle (Ise) | Akahori Castle (Ise) | 伊勢赤堀城 | Fortified Manor | Ruins only | Pre Edo Period | Mie Prefecture | Viewer Contributed | 2025 | 34.96271, 136.60728 |
| Akaiwa Castle | Akaiwa Castle | 赤岩城 | Mountaintop | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2025 | 34.76677, 137.44601 |
| Akasaka Jin'ya | Akasaka Jin'ya | 赤坂陣屋 | Fortified Manor | No main keep but other buildings | Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.85605, 137.30672 |
| Akashi Castle | Akashi Castle | 明石城 | Hilltop | No main keep but other buildings | Edo Period | Hyogo Prefecture | 2009
2024 | 2007 | 34.65231, 134.99186 |
| Akashibu Castle (Mikawa) | Akashibu Castle (Mikawa) | 三河赤渋城 | Fortified Manor | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.92963, 137.13409 |
| Akasu Castle (Ina) | Akasu Castle (Ina) | 伊那赤須城 | Hilltop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 35.72544, 137.95992 |
| Akatsuka Castle | Akatsuka Castle | 赤塚城 | Hilltop | Ruins only | Pre Edo Period | Tokyo | 2019 | 2020 | 35.78455, 139.64351 |
| Akayama Jin'ya | Akayama Jin'ya | 赤山陣屋 | Flatland | Ruins only | Edo Period | Saitama Prefecture | 2023 | 2023 | 35.85087, 139.74669 |
| Akazawa Yakata | Akazawashi Yakata | 赤沢氏館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 36.29167, 137.99672 |
| Akechi Castle | Akechi Castle | 明智城 | Mountaintop | No main keep but other buildings | Pre Edo Period | Gifu Prefecture | Viewer Contributed | 2025 | 35.30359, 137.39445 |
| Akechi Jin'ya | Akechi Jin'ya | 明智陣屋 | Hilltop | Ruins only | Edo Period | Gifu Prefecture | Viewer Contributed | 2025 | 35.30469, 137.39176 |
| Akechi Osayama Castle | Akechi Osayama Castle | 明智長山城 | Mountaintop | Ruins only | Pre Edo Period | Gifu Prefecture | Viewer Contributed | 2021 | 35.42205, 137.08468 |
| Aki Castle | Aki Castle | 安芸城 | Hilltop | Ruins only | Pre Edo Period | Kochi Prefecture | Viewer Contributed | 2013 | 33.51947, 133.9125 |
| Akiba Fort (Azumi) | Akiba Fort (Azumi) | 安曇秋葉砦 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2023 | 36.65417, 137.84308 |
| Akiba Fort (Ina) | Akiba Fort (Ina) | 伊那秋葉砦 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 35.98695, 137.99545 |
| Akita Castle | Akita Castle | 秋田城 | Flatland | No main keep but other buildings | Pre Edo Period | Akita Prefecture | 2018 | 2012 | 39.74039, 140.07969 |
| Akiyama Yakata | Akiyama Yakata | 秋山館 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2023 | 35.583, 138.44543 |
| Akiyoshi Fort | Akiyoshi Fort | 秋吉砦 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2023 | 36.3648, 138.00819 |
| Akizuki Castle | Akizuki Castle | 秋月城 | Flatland | No main keep but other buildings | Edo Period | Fukuoka Prefecture | Viewer Contributed | 2009 | 33.46607, 130.69543 |
| Akizuki Domain South Detached Palace | Akizuki Domain South Detached Palace | 秋月藩南御殿 | Flatland | Ruins only | Edo Period | Fukuoka Prefecture | Viewer Contributed | 2020 | 33.46163, 130.69534 |
| Ako Castle | Ako Castle | 赤穂城 | Flatland | No main keep but other buildings | Edo Period | Hyogo Prefecture | 2018 | 2009 | 34.74613, 134.38869 |
| Akozu Castle | Akozu Castle | 赤尾津城 | Mountaintop | No main keep but other buildings | Pre Edo Period | Akita Prefecture | Viewer Contributed | 2016 | 39.49801, 140.08997 |
| Akutagawasan Castle | Akutagawasan Castle | 芥川山城 | Mountaintop | Ruins only | Pre Edo Period | Osaka | 2016
2022 | 2013 | 34.88097, 135.58831 |
| Amabiki Castle | Amabiki Castle | 雨引城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 36.64831, 138.34699 |
| Amaga Castle | Amaga Castle | 天ヶ城 | Mountaintop | Reconstructed main keep | Pre Edo Period | Miyazaki Prefecture | Viewer Contributed | 2012 | 31.96124, 131.29356 |
| Amagasaki Castle | Amagasaki Castle | 尼崎城 | Flatland | Reconstructed main keep | Edo Period | Hyogo Prefecture | 2013 | 2013 | 34.71711, 135.41852 |
| Amagata Castle | Amagata Castle | 天方城 | Mountaintop | Ruins only | Pre Edo Period | Shizuoka Prefecture | Viewer Contributed | 2025 | 34.84768, 137.9496 |
| Amanari Castle | Amanari Castle | 雨鳴城 | Mountaintop | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2023 | 35.58719, 138.42136 |
| Amari Yakata | Amari Yakata | 甘利館 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.68867, 138.4427 |
| Amemiya Yashiki | Amemiya Yashiki | 雨宮屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.64325, 138.69219 |
| Ametoya Castle | Ametoya Castle | 雨戸屋城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.36521, 137.98 |
| Amidadou Castle (Omi) | Amidadou Castle (Omi) | 近江阿弥陀堂城 | Fortified Manor | Ruins only | Pre Edo Period | Shiga Prefecture | Viewer Contributed | 2022 | 35.20218, 136.15954 |
| Amidagamine Castle (Yamashiro) | Amidagamine Castle (Yamashiro) | 山城阿弥陀ヶ峰城 | Mountaintop | Ruins only | Pre Edo Period | Kyoto | Viewer Contributed
2022 | 2022 | 34.98822, 135.78478 |
| Amino Shingozaemon Yashiki | Amino Shingozaemon Yashiki | 網野新五左衛門屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.72146, 138.70933 |
| Amino Yashiki | Amino Yashiki | 網野屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.71966, 138.712 |
| Anjou Jin'ya | Anjou Jin'ya | 安城陣屋 | Flatland | Ruins only | Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.94703, 137.09431 |
| Annaka Castle | Annaka Castle | 安中城 | Hilltop | No main keep but other buildings | Edo Period | Gunma Prefecture | 2018 | 2018 | 36.32939, 138.89655 |
| Ano Yakata | Ano Yakata | 阿野館 | Fortified Manor | Ruins only | Pre Edo Period | Shizuoka Prefecture | Viewer Contributed | 2023 | 35.14224, 138.7955 |
| Anrakuji Yakata | Anrakuji Yakata | 安楽寺館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.30889, 137.8368 |
| Ansho Castle | Ansho Castle | 安祥城 | Flatland | Ruins only | Pre Edo Period | Aichi Prefecture | 2009 | 2009 | 34.94555, 137.09916 |
| Anshouko Castle | Anshouko Castle | 安祥古城 | Fortified Manor | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.94765, 137.09107 |
| Aoiyama Castle | Aoiyama Castle | 青井山城 | Mountaintop | Ruins only | Pre Edo Period | Fukui Prefecture | Viewer Contributed | 2023 | 35.49361, 135.73204 |
| Aoki Castle (Azumi) | Aoki Castle (Azumi) | 安曇青木城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.48358, 137.88329 |
| Aoki Castle (Sakata) | Aoki Castle (Sakata) | 近江坂田青木城 | Fortified Manor | Ruins only | Pre Edo Period | Shiga Prefecture | Viewer Contributed | 2022 | 35.32974, 136.32179 |
| Aono Castle (Mikawa) | Aono Castle (Mikawa) | 三河青野城 | Fortified Manor | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.92341, 137.12169 |
| Aoyagi Castle | Aoyagi Castle | 青柳城 | Mountaintop | No main keep but other buildings | Pre Edo Period | Nagano Prefecture | 2015 | 2016 | 36.43089, 138.03387 |
| Aoyagi Yakata | Aoyagi Yakata | 青柳館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 36.43079, 138.02695 |
| Aoyama Castle | Aoyama Castle | 青山城 | Mountaintop | Ruins only | Pre Edo Period | Saitama Prefecture | 2015 | 2015 | 36.03746, 139.26793 |
| Aoyama Castle (Nagato) | Aoyama Castle (Nagato) | 長門青山城 | Mountaintop | Ruins only | Pre Edo Period | Yamaguchi Prefecture | Viewer Contributed | 2021 | 34.01863, 130.96367 |
| Aoyama Castle (Omi) | Aoyama Castle | 青山城 | Hilltop | Ruins only | Pre Edo Period | Shiga Prefecture | Viewer Contributed | 2021 | 35.09672, 136.26776 |
| Aoyama Yashiki (Mikawa) | Aoyama Yashiki (Mikawa) | 三河青山屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.91877, 137.3011 |
| Ara Castle (Ina) | Ara Castle (Ina) | 小出荒城 | Hilltop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2022 | 35.81878, 137.93876 |
| Ara Castle (Murakami Clan Fort Network) | Ara Castle (Murakami Clan Fort Network) | 村上荒城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.42649, 138.25265 |
| Aragaito Fort | Aragaito Fort | 荒海渡砦 | Hilltop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.21128, 137.84487 |
| Arahorinaiki Yashiki | Arahorinaiki Yashiki | 荒堀内記屋敷 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2023 | 36.57603, 138.18508 |
| Arai Castle | Arai Castle | 荒井城 | Flatland | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.231, 137.95034 |
| Araihara Castle | Araihara Castle | 荒井原城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2023 | 36.67045, 138.36189 |
| Araino Castle (Mikawa) | Araino Castle (Mikawa) | 三河荒井野城 | Hilltop | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.9171, 137.27701 |
| Arako Castle | Arako Castle | 荒子城 | Flatland | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2020 | 35.13511, 136.8563 |
| Arashi Castle | Arashi Castle | 嵐城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.08807, 137.96875 |
| Aratame Castle | Aratame Castle | 新田目城 | Flatland | Ruins only | Pre Edo Period | Yamagata Prefecture | Viewer Contributed | 2023 | 38.96799, 139.88879 |
| Arato Castle | Arato Castle | 荒砥城 | Mountaintop | No main keep but other buildings | Pre Edo Period | Nagano Prefecture | 2008 | 2008 | 36.47987, 138.13676 |
| Aratoshou Castle | Aratoshou Castle | 荒砥小城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.47965, 138.13447 |
| Arayama Castle | Arayama Castle | 荒山城 | Mountaintop | Ruins only | Pre Edo Period | Ishikawa Prefecture | Viewer Contributed | 2019 | 36.9548, 136.94477 |
| Arikoyama Castle | Arikoyama Castle | 有子山城 | Mountaintop | Ruins only | Pre Edo Period | Hyogo Prefecture | 2013 | 2013 | 35.45545, 134.87812 |
| Aruga Castle | Aruga Castle | 有賀城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.01732, 138.08084 |
| Asaba Castle | Asaba Castle | 麻場城 | Mountaintop | Ruins only | Pre Edo Period | Gunma Prefecture | 2015 | 2016 | 36.24762, 138.94259 |
| Asada Castle (Chikuma) | Asada Castle (Chikuma) | 筑摩浅田城 | Flatland | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.1646, 137.99705 |
| Asahara Yakata | Asahara Yakata | 浅原館 | Fortified Manor | Ruins only | Pre Edo Period | Shiga Prefecture | Viewer Contributed | 2022 | 35.19298, 136.16147 |
| Asahi Castle (Chikuma) | Asahi Castle (Chikuma) | 筑摩旭城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2019 | 36.1388, 137.86029 |
| Asahi Castle (Minochi) | Asahi Castle (Minochi) | 水内旭城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.65261, 138.17139 |
| Asahi Castle (Owari) | Asahi Castle (Owari) | Owari-Asahijō | Mountaintop | Reconstructed main keep | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2019 | 35.21926, 137.02857 |
| Asahi Moated Settlement | Asahi Moated Settlement | 朝日環濠集落 | Flatland | No main keep but other buildings | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2024 | 35.2185, 136.85134 |
| Asahiyama Castle | Asahiyama Castle | 旭山城 | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.65444, 138.16278 |
| Asahiyama Castle (Kai) | Asahiyama Castle (Kai) | 甲斐旭山城 | Mountaintop | Ruins only | Pre Edo Period | Yamanashi Prefecture | Viewer Contributed | 2022 | 35.85261, 138.42724 |
| Asaka Castle (Chikuma) | Asaka Castle (Chikuma) | Chikuma-Asakajō | Mountaintop | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.44489, 138.06209 |
| Asakura Yakata | Asakura Yakata | 朝倉館 | Fortified Manor | No main keep but other buildings | Pre Edo Period | Fukui Prefecture | 2023 | 2023 | 35.99946, 136.29593 |
| Asama Palace | Asama Palace | 浅間御殿 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2021 | 36.26592, 137.99172 |
| Asama Yakata | Asama Yakata | 浅間館 | Fortified Manor | Ruins only | Pre Edo Period | Nagano Prefecture | Viewer Contributed | 2020 | 36.26341, 137.98548 |
| Asano Castle | Asano Castle | 浅野城 | Flatland | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2025 | 35.29689, 136.82787 |
| Ashigara Castle | Ashigara Castle | 足柄城 | Mountaintop | Ruins only | Pre Edo Period | Shizuoka Prefecture | 2010 | 2010 | 35.32088, 139.01183 |
| Ashikaga Masauji Yakata | Ashikaga Masauji Yakata | 足利政氏館 | Fortified Manor | Ruins only | Pre Edo Period | Saitama Prefecture | 2023 | 2023 | 36.07376, 139.66851 |
| Ashikagashi Yakata | Ashikagashi Yakata | 足利氏館 | Fortified Manor | No main keep but other buildings | Pre Edo Period | Tochigi Prefecture | 2007 | 2007 | 36.33771, 139.45168 |
| Ashimori Jin'ya | Ashimori Jin'ya | 足守陣屋 | Flatland | No main keep but other buildings | Edo Period | Okayama Prefecture | Viewer Contributed | 2022 | 34.7299, 133.80069 |
| Ashinoya Jin'ya | Ashinoya Jin'ya | 芦谷陣屋 | Flatland | No main keep but other buildings | Edo Period | Aichi Prefecture | Viewer Contributed | 2023 | 34.85829, 137.16873 |
| Asonuma Castle | Asonuma Castle | 阿曽沼城 | Flatland | Ruins only | Pre Edo Period | Tochigi Prefecture | 2017 | 2017 | 36.31094, 139.58723 |
| Asou Castle (Mikawa) | Asou Castle (Mikawa) | 三河麻生城 | Mountaintop | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2024 | 34.98804, 137.30314 |
| Asouko Castle (Mikawa) | Asouko Castle (Mikawa) | 三河麻生古城 | Mountaintop | Ruins only | Pre Edo Period | Aichi Prefecture | Viewer Contributed | 2024 | 34.98908, 137.3011 |
| Asukayama Castle | Asukayama Castle | 飛鳥山城 | Hilltop | Ruins only | Pre Edo Period | Tokyo | 2021 | 2022 | 35.75047, 139.73882 |
