Izunokuni

Izunokuni is a city in Shizuoka Prefecture, Japan. As of 10 July 2019 its estimated population was 48,579 people living across about 94.62 square kilometres. A castle was founded at Nirayama by Ise Moritoki in 1493, and in the Edo period most of Izu Province was ruled directly by the Tokugawa shogunate from an administrative office at Nirayama. The population has been relatively stable over the past thirty years, and the warm Kuroshio Current offshore moderates the climate. Its climate is humid subtropical in the Koppen classification.