Hokkaido is the northernmost of Japan's main islands and the prefecture covers the entire island. It is separated from Aomori Prefecture on the island of Honshu by the Tsugaru Strait to the south. The two prefectures are connected by the Seikan Tunnel, an undersea railway tunnel.
Hyogo Prefecture is part of the Kansai region in south-central Japan on the island of Honshu. It is bordered by Osaka and Kyoto Prefectures to the west and Tottori and Okayama Prefectures to the east.
Hiroshima Prefecture is on the southern part of Honshu, Japan's largest island. It borders Okayama Prefecture to the east, Tottori Prefecture to the north east, Shimane Prefecture to the north and Yamaguchi Prefecture to the west.
Gunma Prefecture is a landlocked prefecture in the Kanto region of Honshu, the largest of Japan's main islands. It borders Niigata and Fukushima Prefectures to the north, Tochigi Prefecture to the east, Saitama Prefecture to the south and Nagano Prefecture to the west.
Gifu Prefecture is centrally located in the Chubu region of Japan's largest island Honshu. It borders Nagano Prefecture to the east, Toyama Prefecture to the north, Ishikawa and Fukui Prefectures to the west, Shiga Prefecture to the south-west, and Aichi Prefecture to the south.
Fukuoka Prefecture is situated in the north of Kyushu, the southernmost of Japan's four main islands.
It borders Saga Prefecture to the west, Oita Prefecture to the east, and Kumamoto Prefecture to the south.
Fukushima Prefecture is situated on the west coast of Honshu, Japan's largest island, and forms part of the Tohoku region.
Fukui Prefecture is situated in the central Chubu region of Honshu, Japan's largest island. It borders Ishikawa Prefecture to the north, Gifu Prefecture to the east, and Kyoto and Shiga Prefectures to the south.
Kanagawa Prefecture is located in the Kanto region of Japan on the island of Honshu.
Kagawa Prefecture is located on Shikoku, the smallest of Japan's four main islands.
