Inagaki Castle - Inagaki Castle

...The combination of Korean settlement structure and city planning of residential castles and mountain castles clearly shows the activities of local residents to resist invasion. For example, according to the "Samguk Sagi," Goguryeo moved the royal capital to the interior of the country (Jian, Jilin Province, China) in 3 AD and built Yunagan Fortress. This Yunagan Fortress was a typical Korean-style mountain castle, and the royal palace, government offices, and residences of the royal citizens were located in the interior of the royal capital on flat ground, and daily life was carried out in the interior of the country. However, Goguryeo was in conflict with the Liaodong and Lelang counties, as well as the Buyeo Kingdom, so in the event of an invasion by foreign tribes, Yunagan Fortress was built in the mountains behind the royal capital as a place of refuge for not only the king and army but also the royal citizens. ...

*Some of the terminology that refers to "Yunaganjo Castle" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…侵略に対抗する地域住民の活動を端的に示すものに朝鮮の集落構造，都市計画としての居城と山城（さんじよう）との組合せがある。例えば高句麗は，《三国史記》によれば，西暦3年に王都を国内(中国吉林省集安)に移し，尉那巌城を築いたとあるが，この尉那巌城は典型的な朝鮮式山城で，平地にある王都国内城には王宮，官庁，王都民の住居などがあり，日常生活は国内城で営まれていた。しかし，高句麗は遼東･楽浪両郡をはじめ夫余国などと対立していたので，異民族の侵入にあたって，国王，軍隊のみならず王都民を避難させる場所として，王都の背後の山岳に尉那巌城を築いたのである。…

※「尉那巌城」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報