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...

興国寺城

National Historic Site (designated March 17, 1995); Continuation of Japan's Top 100 Castles (No. 145, selected April 6, 2017)

Kōkokuji Castle

城主: Ise Moritoki (Hōjō Sōun, by tradition the builder); the Tominaga family; the Imagawa; the Hōjō (Haga Ujitsugu); the Takeda; the Tokugawa (Makino Yasunari, Matsudaira Kiyomune); a retainer of Nakamura Kazuuji (Kawage Shigetsugu); Amano Yasukage (lord of the Kōkokuji domain)

## Overview Kōkokuji Castle was a linear-bailey hilltop cast...

横須賀城

National Historic Site (designated May 8, 1981)

Yokosuka Castle

城主: Ōsuga Yasutaka (first lord); later the Nishio clan among others

## Overview Yokosuka Castle stood in Kakegawa, Shizuoka Pref...

淀城

Not designated as a national or prefectural historic site. The stone walls and keep base of the main bailey, along with part of the inner moat, are preserved as Yodo Castle Ruins Park

Yodo Castle

城主: Matsudaira Sadatsuna of the Hisamatsu-Matsudaira house; later the Nagai, Ishikawa, Toda and Matsudaira, and from Inaba Masatomo (installed 1723) the Inaba clan until the Meiji Restoration

## Overview Yodo Castle was an Edo-period flatland castle lo...

多聞山城（多聞城）

No national or prefectural designation (Nara City documents the site as the "Tamon Castle Ruins"; a stone marker survives)

Tamonyama Castle (Tamon Castle)

城主: Matsunaga Hisahide (builder), Matsunaga Hisamichi, Ban Naomasa

## Overview Tamonyama Castle was a hilltop castle (hirayama-...

太田城

Castle ruins

Ota Castle (Kishu)

城主: Ōta Sakon (Munemasa)

Ōta Castle was a medieval flatland castle located in Ōta, Wa...

坂本城

National Historic Site

Sakamoto Castle

城主: Akechi Mitsuhide

Sakamoto Castle was a water castle (mizujiro) built on the w...

松阪城

National Historic Site

Matsusaka Castle

城主: Gamo Ujisato / Furuta Shigekatsu / Kishū domain (castle wardens)

Matsusaka Castle is a hirayamajiro (castle built on a low hi...

八幡山城

(No cultural property designation)

Hachimanyama Castle

城主: Toyotomi Hidetsugu

## Hidetsugu's Phantom Castle Hachimanyama Castle was a mou...

角牟礼城

National Historic Site (designated 2005); Continuation of the 100 Fine Castles of Japan (No. 192, selected April 6, 2017)

Tsunomure Castle

城主: The Mori clan (traditional founders); the Kusu-gun-shū local lords; Mōri Takamasa; the Kurushima clan

## Overview Tsunomure Castle is a mountain castle built on M...

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