Nagamasa Kuroda built a castle using a low hilly area called Fukuzaki, which houses Genkai Nada in the year of keicho 6 (1601). In ancient times, the kokan Kan of Dazaifu was established, and it was a key point to hold the route from Karatsu to Hakata and the Chikushi plain of itoshima domain. At the time of the departure of Korea, nagamasa was modeled on the solid Shinshu Jo castle, and Kazunari Noguchi, a skilled stone wall zukuri who participated in the construction of Edo Jo castle in Osaka domain, was completed in 7 years to fushin bugyo. Twelfth generation 270 Mr. Kuroda's residence over the years. It is also called Maizuru Castle. Currently, there are Shimonohashi Mikado, Denshiomi Yagura, Tamon Yagura, and Mori Taihei Mansion Nagayamon, and it is open to the public as Maizuru Park. In addition, natural monuments of the tsukushiokayatsuri grow naturally in the outer moat, and inside the castle ruins there are Heiwadai Athletics Stadium, Fukuoka Castle Former Exploration Hall, and Korokan Ruins Exhibition Hall. ◎ Nagamasa Kuroda (1568-1622) Himeji was born. Tensho 17 Under the seal of his father Takataka, he ruled Buzen 6 county. He has distinguished services in the role of Seihan and Sekigahara, and is granted 5233,000 Koku of Chikuzen. The founder of the Fukuoka domain.