Kōshin'etsu region
subregion in Chūbu, Japan
Kōshin'etsu (甲信越) is a subregion of the Chūbu region in Japan consisting of Yamanashi, Nagano, and Niigata prefectures.
The name Kōshin'etsu is a composite formed from the names of old provinces which are adjacent to each other — Kai (now Yamanashi), Shinano (now Nagano) and Echigo (now Niigata). The region is surrounded by the Sea of Japan to its north west, Hokuriku region to its west, Tōkai region to its south west, Kantō region to its south east, and Tōhoku region 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-KoShinEtsu.
Economy
The Kōshin'etsu subregion economy is for almost all purposes the same as the Shin'etsu subregion economy. The economy of Kōshin'etsu subregion is large and highly diversified with a strong focus on silverware, electronics, information technology, precision machinery, agriculture and food products, and tourism. It also produces crude oil.
The public source identifies “Kōshin'etsu region” as subregion in Chūbu, Japan. This brief keeps that definition visible, then builds a research path around Kōshin'etsu, region and subregion.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 7, 2025. The linked authority identifier is Q398208. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Kōshin'etsu region” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.