Kariya

...Ako Castle remains only in the form of stone walls and moats, but the Asano clan's family temple, Hanagakuji Temple, and Oishi Shrine are tourist attractions, and on December 14th, a procession of people dressed in the attire used in the attack marches through the town. [Komori Seiji]
[Ako Castle area]
It refers to the castle town of Kariya in Ako County, Harima Province. In the 15th century, Oka Toyozennokami Mitsuhiro built the first fort on the opposite bank of the river to the west in order to control Nakamura, the mouth of the Kumami River, which was then the main stream of the Chikusa River.

*Some of the terminology explanations that mention "Kariya" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…赤穂城跡はわずかに石垣，堀などが遺構を伝えるのみであるが，浅野氏の菩提寺の花岳寺や大石神社が観光の拠点で，12月14日の義士祭には討入り装束の行列が町を練り歩く。【小森 星児】
［赤穂城下］
　播磨国赤穂郡の城下町加里屋を指す。15世紀岡豊前守光広が千種川の当時の本流熊見川の河口港中村を掌握するため，その西方，川の対岸に初めてとりでを築いた。…

※「加里屋」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