Game 1983

Nobunaga's Ambition (信長の野望) series

Koei's long-running grand strategy series in which players command warlords during Japan's Sengoku period. Capturing and developing castles is the central gameplay loop — virtually every castle in this database appears as a location. The series spans over 15 mainline entries from 1983 to the present.

18 18 castles featured in this work

Castles featured

Himeji Castle

Himeji Castle

姫路城 · Himeji-jo

Surviving

📍 Hyogo — Kansai

The undisputed king of Japanese castles — the only one that has never been captured, never burned, and never rebuilt.

A+ Tourism Score 92/100
B Defense Score 79/100
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Osaka Castle

Osaka Castle

大阪城 · Osaka-jo

Reconstructed

📍 Osaka — Kansai

Japan's most famous castle story wrapped in a 1931 concrete tower — the history is spectacular, even if the building isn't original.

A Tourism Score 88/100
C Defense Score 66/100
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Kumamoto Castle

Kumamoto Castle

熊本城 · Kumamoto-jo

Reconstructed

📍 Kumamoto — Kyushu & Okinawa

Japan's mightiest castle complex — proven in battle, broken by earthquake, and rising again through one of history's most ambitious restoration projects.

B Tourism Score 75/100
B Defense Score 79/100
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Nagoya Castle

Nagoya Castle

名古屋城 · Nagoya-jo

Reconstructed

📍 Aichi — Chubu

Nagoya Castle is mid-renovation — visit now for the stunning reconstructed palace, return in a few years for the completed wooden tower.

B Tourism Score 70/100
C Defense Score 62/100
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Inuyama Castle

Inuyama Castle

犬山城 · Inuyama-jo

Surviving

📍 Aichi — Chubu

The oldest surviving castle tower in Japan — compact, dramatic, and perched above a river just as it was when Oda Nobunaga's family built it in 1537.

B Tourism Score 78/100
A Defense Score 83/100
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Nijo Castle

Nijo Castle

二条城 · Nijo-jo

Ruins

📍 Kyoto — Kansai

The castle where the shogunate both began and ended — Nijo is a palace of power politics, famous for floors that sing and paintings that dazzle, not for towers or battles.

A+ Tourism Score 90/100
D Defense Score 56/100
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Aizu-Wakamatsu Castle

Aizu-Wakamatsu Castle

会津若松城 · Aizu-Wakamatsu-jo

Reconstructed

📍 Fukushima — Tohoku

The castle where samurai Japan ended — Aizu-Wakamatsu carries the weight of the Byakkotai tragedy and the Boshin War's last stand, making it Japan's most emotionally resonant castle site.

B Tourism Score 72/100
B Defense Score 76/100
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Hiroshima Castle

Hiroshima Castle

広島城 · Hiroshima-jo

Reconstructed

📍 Hiroshima — Chugoku

The castle that atomic fire erased and Hiroshima's spirit rebuilt — visiting here is inseparable from the city's most profound history.

B Tourism Score 72/100
C Defense Score 67/100
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Edo Castle

Edo Castle

江戸城 · Edo-jo

Ruins Free

📍 Tokyo — Kanto

The largest castle ever built in Japan — now the Emperor's residence — where you can walk the foundations of the tower that ruled a nation for 265 years.

A Tourism Score 80/100
B Defense Score 70/100
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Kanazawa Castle

Kanazawa Castle

金沢城 · Kanazawa-jo

Reconstructed Free

📍 Ishikawa — Chubu

The silver-roofed castle of Japan's wealthiest samurai clan — best experienced alongside Kenrokuen, the garden that its lords spent 300 years perfecting next door.

B Tourism Score 78/100
D Defense Score 59/100
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Sendai Castle

Sendai Castle

仙台城 · Sendai-jo

Ruins Free

📍 Miyagi — Tohoku

The mountain stronghold of the One-Eyed Dragon — where Date Masamune's equestrian statue surveys the city he founded, from ruins that speak of a castle that never needed a main tower.

C Tourism Score 65/100
A Defense Score 83/100
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Odawara Castle

Odawara Castle

小田原城 · Odawara-jo

Reconstructed

📍 Kanagawa — Kanto

The castle that Hideyoshi could not storm — famous less for its tower than for the legendary city-swallowing earthworks and the indecisive council that became a Japanese proverb.

B Tourism Score 72/100
B Defense Score 74/100
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Ueda Castle

Ueda Castle

上田城 · Ueda-jo

Ruins

📍 Nagano — Chubu

The castle that humiliated Tokugawa twice — Ueda's surviving turrets are modest, but the history of Sanada Masayuki's impossible victories makes it one of Japan's most compelling castle sites.

D Tourism Score 58/100
B Defense Score 76/100
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Gifu Castle

Gifu Castle

岐阜城 · Gifu-jo

Reconstructed

📍 Gifu — Chubu

This is the mountain where Nobunaga declared he would rule Japan — and the view from 329 meters makes it easy to believe him.

C Tourism Score 68/100
A Defense Score 87/100
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Fukuoka Castle

Fukuoka Castle

福岡城 · Fukuoka-jo

Ruins Free

📍 Fukuoka — Kyushu & Okinawa

One of Kyushu's largest castle complexes, now a cherry blossom park overlooking the bay where the Mongol armadas once appeared on the horizon.

D Tourism Score 58/100
C Defense Score 68/100
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Odani Castle

Odani Castle

小谷城 · Odani-jo

Ruins Free

📍 Shiga — Kansai

Where Nobunaga's sister lived, loved, and lost — the mountain castle of the doomed Azai clan, with one of the great tragic stories of the Sengoku era.

F Tourism Score 35/100
A Defense Score 81/100
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Azuchi Castle

Azuchi Castle

安土城 · Azuchi-jo

Ruins

📍 Shiga — Kansai

The most historically important castle in Japan — Nobunaga's revolutionary 1579 masterpiece that invented the Japanese castle as we know it, gone after three years, its foundations still visible under the trees.

D Tourism Score 55/100
A Defense Score 86/100
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Kiyosu Castle

Kiyosu Castle

清洲城 · Kiyosu-jo

Reconstructed

📍 Aichi — Chubu

Where Nobunaga launched his conquest of Japan and where Hideyoshi's genius at the 1582 conference made him the successor — Japan's most consequential castle for two of its greatest leaders.

D Tourism Score 48/100
D Defense Score 58/100
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