城主: The builder and exact date are not firmly established, but excavations conducted in 2002–2006 support the leading theory that the Yamanouchi Uesugi built it amid their conflict with the Ōgigayatsu Uesugi and the Koga Kubō

## Overview Sugiyama Castle is a medieval mountain castle in...

土浦城（亀城）

Ibaraki Prefecture Historic Site No. 1, "Tsuchiura Castle Ruins and Yagura-mon Gate" (designated November 18, 1952); the Taiko Yagura-mon gate is an Ibaraki Prefecture Cultural Property and the Kasumi-mon gate a Tsuchiura City Cultural Property; Continuation of the 100 Fine Castles of Japan (No. 113, selected April 6, 2017)

Tsuchiura Castle (Kame-jō)

城主: Wakaizumi Saburō; the Sugaya clan (Oda clan retainers, three generations); Yūki Hideyasu; the Matsudaira (Nobukazu, Nobuyoshi); the Nishio (Tadanaga, Tadateru); the Kutsuki (Tanetsuna, Tanemasa); the Tsuchiya clan (eleven generations from 1669)

## Overview Tsuchiura Castle, located in Chūō in central Tsu...

本佐倉城

National Historic Site "Motosakura Castle Ruins" (designated September 11, 1998); Continuation of the 100 Fine Castles of Japan (No. 121, selected April 6, 2017)

Motosakura Castle

城主: The Chiba clan (including Chiba Takatane and successive heads)

## Overview Motosakura Castle is a medieval hirayama-jiro (h...

深谷城

Historic site designated by Saitama Prefecture, "Fukaya Castle Ruins" (designated 1924), and the Fukaya Castle outer moat ruins are a historic site designated by Fukaya City (designated 1958). The castle ruins have been developed as Fukaya Castle Ruins Park

Fukaya Castle

城主: Uesugi Fusanori (builder, 5th head of the Fukaya-Uesugi line); successive Fukaya-Uesugi lords (including Norimori and Ujinori); in the Edo period, the Nagasawa-Matsudaira, Sakurai-Matsudaira, and Sakai clans

## Founding Fukaya Castle is a flatland castle built by the ...

笠間城

Kasama City Designated Historic Site "Kasama Castle Ruins", Continued 100 Fine Castles of Japan (No. 112, selected 2017)

Kasama Castle

城主: Kasama Tokitomo / Kasama clan

Kasama Castle is a mountain castle built around the summit o...

平塚城

Not designated

Hiratsuka Castle (Sagami)

城主: A branch of the Miura clan; Omori Noriyori (Omori clan)

## Overview Hiratsuka Castle was a flatland castle located i...

足利氏館

National Historic Site, National Treasure, Important Cultural Properties, Japan's 100 Famous Castles

Ashikaga Clan Residence (Banna-ji)

城主: Ashikaga Yoshikane

Ashikaga Clan Residence is located in Ashikaga City, Tochigi...

関宿城

Noda City Designated Historic Site

Sekiyado Castle

城主: Koga Kubō (Yanada clan) / Hōjō clan / Hisamatsu-Matsudaira clan

## Key Position on the Kantō Plain Sekiyado Castle is a wat...

鉢形城

National Historic Site

Hachigata Castle

城主: Nagao Kageharu / Hōjō Ujikuni

Hachigata Castle is located in Yorii, Saitama Prefecture. It...

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