Located in the east central area of the main island of Honshu, it includes 9 prefectures, and the major cities of Nagoya, Nagano, Niigata, and Kanazawa as well as Mt. Fuji. The name means "central region" and it spans the island of Honshu from the Pacific side to the Sea of Japan side, crossing the Japanese Alps in the process. The area encompasses three smaller regions, Hokuriku, Koshinetsu, and Tokai. It has a population of over 20 million inhabitants.