Tatsuoka Castle | |
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龍岡城 | |
Saku, Nagano, Japan | |
Coordinates | 36°11′46″N 138°30′06″E / 36.19602°N 138.50167°E |
Type | Star fort |
Site information | |
Open to the public | No |
Condition | Ruins |
Site history | |
Built | 1867 |
Built by | Matsudaira Norikata |
In use | until 1868 |
Garrison information | |
Past commanders | Matsudaira Norikata |
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 has been the castle ruins have been designated as a National Historic Site since 1934.[1]