Ejiri Castle

…Subsequently, Imagawa Yoshimoto and Ujizane exempted shipping from taxes and protected Ejiri as a post town and port town. After the Takeda clan invaded Suruga, Ejiri Castle was built with an outer moat that took advantage of the meandering of the Tomoe River, and the castle town was developed. The castle lord, Anayama Nobukimi (Baisetsu), implemented a telegraph system that connected Ejiri to Koshu via Okitsu and Kambara, making it the center of the management of the territory from southern Koshu to Suruga. In 1601 (Keicho 6), it was designated a post station on the Tokaido road, and the port function that Ejiri had had until then was lost due to the construction of the new Shimizu Port, which was carried out at the same time as the mouth of the Tomoe River moved south and the castle town of Sunpu was formed, and Ejiri became a post town from then on. …

*Some of the terms mentioned in relation to "Ejiri Castle" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ついで今川義元･氏真は廻船の諸役を免除，江尻を宿場町･湊町として保護した。武田氏の駿河侵入後，巴川の蛇行を利用して外堀とした江尻城が築かれ，城下町が整えられ城主穴山信君(梅雪)は江尻を起点に興津･蒲原を経て甲州に通じる伝馬制を実施，南甲州から駿河の領国経営の中心とした。1601年(慶長6)東海道の宿駅に指定され，それまで江尻が持っていた湊の機能は巴川河口の南下，駿府城下町の形成と同時に行われた新しい清水湊の建設によって失われ，江尻は以後宿場町となった。…

※「江尻城」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