is the remains of a castle structure in Asakita-ku,

Hiroshima Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Hiroshima Prefecture has a population of 2,811,410 (1 June 2019) and has a geographic area of 8,479 km² (3,274 sq mi). Hiroshima Prefecture borders Okayama ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. It is located on a 339-meter mountain. One of the 18 Generals of Mōri,

Kumagai Nobunao was a Japanese samurai and commander of the Sengoku period. Nobunao an Kumagai clan's ancestor was Kumagai Naozane. He initially served the Aki Takeda clan, but he left Takeda clan and became a vassal of the Mōri Motonari. He moved Kumagai cla ...

was commander of the castle. In the Sengoku period, Kumagai clan moved their main bastion from Isegatsubo Castle to the castle since Isegatsubo Castle was considered unsuitable to withstanding a siege, and used the castle until

Mōri clan The Mōri clan (毛利氏 ''Mōri-shi'') was a Japanese samurai clan descended from Ōe no Hiromoto. Ōe no Hiromoto was descended from the Fujiwara clan. The family's most illustrious member, Mōri Motonari, greatly expanded the clan's power ...

moved to

Suō Province was a province of Japan in the area that is today the eastern part of Yamaguchi Prefecture. It was sometimes called . Suō bordered on Aki, Iwami, and Nagato Provinces. The ancient provincial capital was in Hōfu. Suō was ruled for much o ...

. Its ruins have been protected as a Prefectural Historic Sites as one of the Remains of Kumagai Clan Ruins, combining both Isegatsubo Castle and Kumagai clan's fortified residence ''Doi-Yashiki''.

References

Castles in Hiroshima Prefecture Historic Sites of Japan Former castles in Japan Mōri clan Ruined castles in Japan Designated historic sites of Hiroshima Prefecture {{castle-stub