is a subregion of the Chūbu region

Chubu region

The is the central region of Honshū, Japan's main island. Chūbu has a population estimate of 21,886,324 as of 2008.Chūbu, which means "central region", encompasses nine prefectures : Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, Yamanashi, and often Mie.It is located directly...

 in Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 consisting of Tokyo, its environs and central-eastern Honshu. The area encompasses Yamanashi

Yamanashi Prefecture

is a prefecture of Japan located in the Chūbu region of the island of Honshū. The capital is the city of Kōfu.-Pre-history to the 14th century:People have been living in the Yamanashi area for about 30,000 years...

, Nagano

Nagano Prefecture

is a prefecture of Japan located in the Chūbu region of the island of Honshū. The capital is the city of Nagano.- History :Nagano was formerly known as the province of Shinano...

, Niigata

Niigata Prefecture

is a prefecture of Japan located on the island of Honshū on the coast of the Sea of Japan. The capital is the city of Niigata. The name "Niigata" literally means "new lagoon".- History :...

 prefectures.

The name Kōshin'etsu is a composite formed from the names of old provinces which are adjacent to each other — Kai (now Yamanashi)

Kai Province

, also known as , is an old province in Japan in the area of Yamanashi Prefecture. It lies in central Honshū, west of Tokyo, in a landlocked mountainous region that includes Mount Fuji along its border with Shizuoka Prefecture....

, Shinano (now Nagano)

Shinano Province

or is an old province of Japan that is now present day Nagano Prefecture.Shinano bordered on Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces...

 and Echigo (now Niigata)

Echigo Province

was an old province in north-central Japan, on the shores of the Sea of Japan. It was sometimes called , with Echizen and Etchū Provinces. Today the area is part of Niigata Prefecture, which also includes the island which was the old Sado Province. This province was the northernmost part of the...

. The region is surrounded by the Sea of Japan

Sea of Japan

The Sea of Japan is a marginal sea of the western Pacific Ocean, between the Asian mainland, the Japanese archipelago and Sakhalin. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific...

 to its north west, Hokuriku region

Hokuriku region

The is located in the northwestern part of Honshū, the main island of Japan. It lies along the Sea of Japan within the Chūbu region. It is almost equivalent to Koshi Province and Hokurikudō area in pre-modern Japan....

 to its west, Tōkai region

Tokai region

The is a sub-region of the Chūbu region in Japan that runs along the Pacific Ocean. The name means "East sea" and comes from the Tōkaidō, one of the Edo Five Routes...

 to its south west, Kantō region

Kanto region

The is a geographical area of Honshu, the largest island of Japan. The region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba, and Kanagawa. Within its boundaries, slightly more than 40 percent of the land area is the Kantō Plain....

 to its south east, and Tōhoku region

Tohoku region

The is a geographical area of Japan. The region occupies the northeastern portion of Honshu, the largest island of Japan. The region consists of six prefectures : Akita, Aomori, Fukushima, Iwate, Miyagi and Yamagata....

 to its north east. The name for this geographic area is usually combined with Kantō region (as in "Kantō-Kōshin'etsu"); and it is sometimes combined with Hokuriku region (as in "Kantō-Kōshin'etsu-Hokuriku" or "Hokuriku-Kōshin'etsu").

Corporate usage

• Nippon Telegraph & Telephone directories categorize phone numbers by region, including the Koshin'etsu area.
• The Japanese Society of Nuclear Medicine categorizes its membership by region, including the Kanto-Koshinetsu region.
• In Japan, the Children's Cancer Registry program is administered by seven National Children's Medical Registration Centers, including Kanto-KoShinEstsu.

External links