Japan Castle Atlas

Shiga Chikatsugu

志賀親次

A retainer of the Otomo clan of Bungo and lord of Oka Castle. In 1586, at 18, he held Oka against a large Shimazu army that had invaded Bungo.

Years: 生没年不詳

Historical record

Story

The Shimazu attacked Oka three times, and Chikatsugu beat back every assault, earning a letter of praise from Toyotomi Hideyoshi. According to Taketa City, this is how Oka became known as an impregnable castle.

Connected castles

Tall stone walls stacked on top of the cliffs at Oka Castle, with mountains beyond, 2009. All the buildings were torn down in the Meiji era; only the stone walls remain.

In-depth article

Taketa, Oita

Oka Castle

岡城

Stone walls on a clifftop, without a single building left, are said to have inspired Taki Rentaro's song "Kojo no Tsuki" (The Moon over the Ruined Castle).

Japan's 100 Fine Castles No. 93CastleMountain

As6673Public domainWikimedia Commons

lord who repelled the ShimazuRecord source: article

Sources

1
800年の歴史(国指定史跡岡城跡)Checked: 2026-10-03
2
難攻不落の石垣(国指定史跡岡城跡)Checked: 2026-10-03
3
志賀親次(補助資料・Wikipedia日本語版)Checked: 2026-10-03