Hokkaido is an area located on Japan's northern main islands. The weather in Hokkaido is harsh and the winter is often tough with tempatures dropping to below zero degrees, causing the sea to freeze. But in the summer it's warm and the nature is amazing. Within the Ginga series, Hokkaido is part of Hakuro's territory. Hokkaido is hard for most dogs to reach, as it requires much swimming from the mainland.