| Kōfu Castle (甲府城, Kōfu jō) was a Japanese castle located in the city of Kōfu, Yamanashi Prefecture, in the Chubu region of Japan. The site has been protected as a National Historic Site since 2019.[1] The castle is also known as Maizuru Castle, and the present-day surroundings are called Maizuru Castle Park (舞鶴公園, Maizuru-jō Kōen). |