Goryōkaku

Goryōkaku
五稜郭
Part of Boshin War
Near Hakodate in Japan
Goryōkaku viewed from Goryōkaku Tower
Governmental hall of the Republic of Ezo
Site information
TypeStar fort
Location
Goryōkaku
Coordinates41°47′49″N 140°45′25″E / 41.79694°N 140.75694°E / 41.79694; 140.75694
Site history
Built1866
Built byTakeda Ayasaburō
Battles/warsBoshin War
19th century map of Goryōkaku

Goryōkaku (五稜郭; lit.'five-point fort') is a star fort in the Japanese city of Hakodate on the island of Hokkaido. The fortress was completed in 1866. It was the main headquarters of the short-lived Republic of Ezo.