Star Fort
○ Second 100 Castles

Ryugajo

One of only two Western-style star-shaped forts (goryokaku) in Japan, built in 1867 in Saku, Nagano. Smaller than Hakodate's Goryokaku, it was built as the domain headquarters of the Sanada-affiliated Matsudaira clan.

Japanese Name龍岡城
Prefecture長野県
Region中部
Castle TypeStar Fort
Year Built1867
Designation続100名城
Coordinates36.15, 138.4667