本城跡

北郷本城跡 : A-219／ ／北郷本城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

城の峰城跡（井上城跡） : G-202／ ／城の峰城跡（井上城跡）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

小山氏城跡・鷲城跡・祗園城跡・中久喜城跡

Oyama

Tochigi Digital Museum "SHUGYOKU" (Cultural Assets)

山城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

古城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

家城城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

根城城跡

History of the Aomori Prefecture Digital Archive

Postcards and Photos Database of Aomori Prefectural History

史蹟 名護屋城跡本丸跡

Saga Prefectual Library

Saga Prefectural Library Database

岩倉城跡　黒田城跡

NHK Archives

Michi-shiru: Japan Seasonal Journey

霞城跡 : F-208／ ／霞城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

小野平城跡（旗古城跡） : D-204／ ／小野平城跡（旗古城跡）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

堺城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

津城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

柿城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

京城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

古城跡

Nagano Prefectural Museum of History

ADEAC: A System of Digitalization and Exhibition for Archive Collections

燧城跡

Digital Archive Fukui

Digital Archive Fukui

森城跡

三重県環境生活部文化振興課

Mie Historical & Cultural Walking Map (Regional Cultural Assets)

旧二条城跡　槇島城跡

NHK Archives

Michi-shiru: Japan Seasonal Journey

九州旅行　熊本城跡

Kochi Prefectural Library

OTEPIA Kochi Library collection search

吉見 松山城本丸跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

赤塚城跡 石碑と説明板（赤塚城本丸跡）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

大峰城跡 : C-203／ ／大峰城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections

鹿谷城跡 : N-208／ ／鹿谷城跡

ADEAC: A System of Digitalization and Exhibition for Archive Collections