Ruin
Tatsuoka Castle
🇯🇵 Japan · 19th century
Tatsuoka Castle (龍岡城, Tatsuoka-jō) was a Bakumatsu period pentagonal "star fort" located in what is now part of the city of Saku, Nagano prefecture. It was the primary fortress of Tatsuoka Domain, ruled by the Ogyū-Matsudaira clan. Along with the Goryōkaku in Hakodate, Hokkaidō, it is one of only two star fortresses in Japan, and the castle ruins have been designated as a National Historic Site since 1934.
Text adapted from “Tatsuoka Castle” on Wikipedia, CC BY-SA 4.0.
Tatsuoka Castle ranks #3,231 of 8,134 worldwide in the atlas's castle fame ranking, and #167 of the 297 mapped in Japan. Founded 1867, it is older than 7% of the atlas's dated landmarks — one of 607 atlas entries founded in the 19th century. Its Wikipedia articles were opened 3,958 times in the last 60 days, more than 81% of the atlas. 1 more atlas landmarks stand within 25 km. See how Japan compares in the castle statistics.
View on the interactive castle map →Frequently asked questions
Where is Tatsuoka Castle?
Tatsuoka Castle stands in Japan, at 36.19606°, 138.50155°.
When was Tatsuoka Castle built?
The atlas dates its founding to 1867. Earlier structures may have stood on the site; this is the earliest documented founding year.
How famous is Tatsuoka Castle?
In this atlas's fame ranking: #3,231 of 8,134 worldwide, and #167 in Japan. Fame here combines how many Wikipedia language editions cover a landmark with how many people read them.
What is the nearest castle to Tatsuoka Castle?
Komoro Castle, about 16 km away.
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