Yanagimoto-jo Castle was built on the tumulus in the Sengoku Period (Period of Warring States), and Oda family built Yanagimoto Jinya (regional government office of the Yanagimoto Domain) in the site of the castle to be the government building of the Yanagimoto Domain in the Edo period.
戦国時代(日本)には古墳に柳本城を築城、江戸時代織田家が城跡に柳本陣屋を構築し柳本藩藩庁とした。