 Kuroiso is located at the northernmost tip of Tochigi, bordering Fukushima Prefecture.Kuroiso Station serves as the terminal station for two subsections of the JR East Tōhoku Main Line railway, making it a junction between the Kantō and Tōhoku regions of Japan.The station's bus terminal also makes Kuroiso a gateway to the neighboring town of Nasu, known in Japan for its mountain hot springs and as the location of the Nasu Imperial Villa.