Nagano Prefecture in the context of Highland

Gunma Prefecture (群馬県, Gunma-ken; Japanese pronunciation: [ɡɯꜜm.ma, ɡɯm.maꜜ.keɴ]) is a landlocked prefecture of Japan located in the Kantō region of Honshu. Gunma Prefecture has a population of 1,937,626 (1 October 2019) and has a geographic area of 6,362 square kilometres (2,456 sq mi). Gunma Prefecture borders Niigata Prefecture and Fukushima Prefecture to the north, Nagano Prefecture to the southwest, Saitama Prefecture to the south, and Tochigi Prefecture to the east.

Maebashi is the capital and Takasaki is the largest city of Gunma Prefecture, with other major cities including Ōta, Isesaki, and Kiryū. Gunma Prefecture is one of only eight landlocked prefectures, located on the northwestern corner of the Kantō Plain with 14% of its total land being designated as natural parks.

Saitama Prefecture (埼玉県, Saitama-ken; Japanese pronunciation: [saꜜi.ta.ma, sai.ta.maꜜ.keɴ]) is a landlocked prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (January 1, 2020) and has a geographic area of 3,797 km (1,466 sq mi). Saitama Prefecture borders Tochigi Prefecture and Gunma Prefecture to the north, Nagano Prefecture to the west, Yamanashi Prefecture to the southwest, Tokyo to the south, Chiba Prefecture to the southeast, and Ibaraki Prefecture to the northeast.

Saitama is the capital and largest city of Saitama Prefecture, with other major cities including Kawaguchi, Kawagoe, and Tokorozawa.

Yamanashi Prefecture (山梨県, Yamanashi-ken) is a prefecture of Japan located in the Chūbu region of Honshu. Yamanashi Prefecture has a population of 787,592 (1 February 2025) and has a geographic area of 4,465 km (1,724 sq mi). Yamanashi Prefecture borders Saitama Prefecture to the northeast, Nagano Prefecture to the northwest, Shizuoka Prefecture to the southwest, Kanagawa Prefecture to the southeast, and Tokyo to the east.

Kōfu is the capital and largest city of Yamanashi Prefecture, with other major cities including Kai, Minamiarupusu, and Fuefuki. Yamanashi Prefecture is one of only eight landlocked prefectures, and the majority of the population lives in the central Kōfu Basin surrounded by the Akaishi Mountains, with 27% of its total land area being designated as Natural Parks. Yamanashi Prefecture is home to many of the highest mountains in Japan, and Mount Fuji, the tallest mountain in Japan and cultural icon of the country, is partially located in Yamanashi Prefecture on the border with Shizuoka Prefecture.

The Chūbu region (中部地方, Chūbu-chihō), Central region, or Central Japan (中部日本, Chūbu-nihon) is a large and diverse region in the middle of Honshū, Japan's main island. In a wide, classical definition, it encompasses nine prefectures (ken): Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, and Yamanashi.

It is located directly between the Kantō region and the Kansai region and includes the major city of Nagoya as well as Pacific Ocean and Sea of Japan coastlines, extensive mountain resorts, and Mount Fuji.

The 1998 Winter Olympics, officially known as the XVIII Olympic Winter Games (Japanese: 第18回オリンピック冬季競技大会, Hepburn: Dai Jūhachi-kai Orinpikku Tōkikyōgi Taikai) and commonly known as Nagano 1998 (Japanese: 長野1998), were a winter multi-sport event held from 7 to 22 February 1998, mainly in Nagano, Nagano Prefecture, Japan, with some events taking place in the nearby mountain communities of Hakuba, Karuizawa, Nozawa Onsen, and Yamanouchi. The city of Nagano had previously been a candidate to host the 1940 Winter Olympics (which were later cancelled), as well as the 1972 Winter Olympics, but had been eliminated at the national level by Sapporo on both occasions.

The games hosted 2,176 athletes from 72 nations competing in 7 sports and 68 events. The number of athletes and participating nations were a record at the time. The Games saw the introduction of women's ice hockey, curling and snowboarding. National Hockey League players were allowed to participate in the men's ice hockey for the first time. Azerbaijan, Kenya, Macedonia, Uruguay, and Venezuela made their debut at the Winter Olympics.

Niigata Prefecture (新潟県, Niigata-ken; Japanese pronunciation: [ɲiː.ɡa.ta, -taꜜ.keɴ, ɲiː.ŋa-]) is a prefecture in the Chūbu region of Honshu of Japan. Niigata Prefecture has a population of 2071066 (1 October,2025) and is the fifth-largest prefecture of Japan by geographic area at 12,584.18 km (4,858.78 sq mi). Niigata Prefecture borders Toyama Prefecture and Nagano Prefecture to the southwest, Gunma Prefecture to the south, Fukushima Prefecture to the east, and Yamagata Prefecture to the northeast.

Niigata is the capital and largest city of Niigata Prefecture, with other major cities including Nagaoka, Jōetsu, and Sanjō. Niigata Prefecture contains the Niigata Major Metropolitan Area centered on Niigata with a population of 1,395,612, the largest metropolitan area on the Sea of Japan coast and the twelfth-largest in Japan. Niigata Prefecture is part of the historic Hokuriku region and features Sado Island, the sixth largest island of Japan in area following the four main islands and Okinawa Island.

Shizuoka Prefecture (静岡県, Shizuoka-ken; Japanese pronunciation: [ɕi.(d)zɯꜜ.o.ka, ɕi.(d)zɯ.o.kaꜜ.keɴ]) is a prefecture of Japan located in the Chūbu region of Honshu. As of September 2023, Shizuoka Prefecture has a population of 3,555,818 and has a geographic area of 7,777.42 km (3,002.88 sq mi). Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the northeast, Nagano Prefecture to the north, and Aichi Prefecture to the west.

Shizuoka is the capital and Hamamatsu is the largest city in Shizuoka Prefecture, with other major cities including Fuji, Numazu, and Iwata. Shizuoka Prefecture is located on Japan's Pacific Ocean coast and features Suruga Bay formed by the Izu Peninsula, and Lake Hamana which is considered to be one of Japan's largest lakes. Mount Fuji, the tallest volcano in Japan and cultural icon of the country, is partially located in Shizuoka Prefecture on the border with Yamanashi Prefecture. Shizuoka Prefecture has a significant motoring heritage as the founding location of Honda, Suzuki, and Yamaha, and is home to the Fuji International Speedway.

The Akaishi Mountains (赤石山脈, Akaishi Sanmyaku) are a mountain range in central Honshū, Japan, bordering Nagano, Yamanashi and Shizuoka prefectures. They are also called the Southern Alps (南アルプス, Minami Arupusu), as they join with the Hida Mountains ("Northern Alps") and the Kiso Mountains ("Central Alps") to form the Japanese Alps.

Aichi Prefecture (愛知県, Aichi-ken; Japanese pronunciation: [aꜜi.tɕi, ai.tɕi̥ꜜ.keɴ]) is a prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,461,111 (as of 1 January 2025) and a geographic area of 5,172.92 square kilometres (1,997.28 sq mi) with a population density of 1,442 inhabitants per square kilometre (3,730/sq mi). Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east. Nagoya is the capital and largest city of the prefecture.

Gifu Prefecture (岐阜県, Gifu-ken; Japanese pronunciation: [ɡʲi.ɸɯ, ɡʲi.ɸɯ̥ꜜ.keɴ]) is a prefecture of Japan located in the Chūbu region of Honshu. Gifu Prefecture has a population of 2,040,000 (as of April 1, 2025) and has a geographic area of 10,621 square kilometres (4,101 sq mi). Gifu Prefecture borders Toyama Prefecture to the north; Ishikawa Prefecture to the northwest, Fukui Prefecture and Shiga Prefecture to the west, Mie Prefecture to the southwest, Aichi Prefecture to the south, and Nagano Prefecture to the east.

Gifu is the capital and largest city of Gifu Prefecture, with other major cities including Ōgaki, Kakamigahara, and Tajimi.

Toyama Prefecture (富山県, Toyama-ken; Japanese pronunciation: [toꜜ.ja.ma, to.ja.maꜜ.keɴ]) is a prefecture of Japan located in the Chūbu region of Honshu. Toyama Prefecture has a population of 993,848 (1 January 2025) and has a geographic area of 4,247.61 km (1,640.01 sq mi). Toyama Prefecture borders Ishikawa Prefecture to the west, Gifu Prefecture to the south, Nagano Prefecture to the east, and Niigata Prefecture to the northeast.

Toyama is the capital and largest city of Toyama Prefecture, with other major cities including Takaoka, Imizu, and Nanto. Toyama Prefecture is part of the historic Hokuriku region, and the majority of the prefecture's population lives on Toyama Bay, one of the largest bays in Japan. Toyama Prefecture is the leading industrial prefecture on the Japan Sea coast and has the advantage of cheap electricity from abundant hydroelectric resources. Toyama Prefecture contains the only known glaciers in East Asia outside of Russia, first recognized in 2012, and 30% of the prefecture's area is designated as national parks.

The Shinano River (信濃川, Shinano-gawa), known as the Chikuma River (千曲川, Chikuma-gawa) in its upper reaches, is the longest and widest river in Japan and the third largest by basin area (behind the Tone River and Ishikari River). It is located in northeastern Honshu, rising in the Japanese Alps and flowing generally northeast through Nagano and Niigata Prefectures before emptying into the Sea of Japan. It is designated as a Class A river.

Shinano Province (信濃国, Shinano no Kuni; Japanese pronunciation: [ɕiꜜ.na.no (no kɯ.ɲi), ɕi.na.noꜜ-]) or Shinshū (信州; [ɕiꜜɰ̃.ɕɯː]) is an old province of Japan that is now Nagano Prefecture.

Shinano bordered Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces. The ancient capital was located near modern-day Matsumoto, which became an important city of the province.

Nagano (長野市, Nagano-shi; Japanese pronunciation: [naꜜɡano, naɡanoꜜɕi]) is the capital and largest city of Nagano Prefecture, located in the Nagano Basin (Zenkoji Daira) in the central Chūbu region of Japan. Nagano is categorized as a core city of Japan. Nagano City is the highest prefectural capital in Japan, with an altitude of 371.4 meters (1,219 ft).

The city is surrounded by mountains, the highest of which is Mount Takatsuma (2,353 m), and it is near the confluence of the Chikuma River—the longest and widest river in Japan—and the Sai River. As of 1 July 2023, the city had an estimated population of 365,296 in 160,625 households, and a population density of 438 persons per km². The total area of the city is 834.81 square kilometres (322.32 sq mi).

Jigokudani Monkey Park (地獄谷野猿公苑, Jigokudani Yaen Kōen) is located in Yamanouchi, Nagano Prefecture, Japan, about 3.5 hours from Tokyo. It is part of the Joshinetsu Kogen National Park (locally known as Shigakogen), and is located in the valley of the Yokoyu-River, in the northern part of the prefecture. The name Jigokudani, meaning "Hell's Valley", is due to the steam and boiling water that bubbles out of small crevices in the frozen ground, surrounded by steep cliffs and formidably cold and hostile forests.

Originally, Japanese macaques lived in nearby mountains such as Shiga Kogen, but due to the development of ski resorts and forest clearing in the 1950s, they were driven out of their mountain habitat and came down to human settlements, becoming pests.

Hakuba (白馬村, Hakuba-mura) is a village located in Nagano Prefecture, Japan. As of April 1, 2019, the village had an estimated population of 9,007 in 4267 households, and a population density of 48 persons per km. The total area of the village is 189.36 square kilometres (73.11 sq mi). Hakuba is located in the eastern foothills of the Hida Mountains in the northern part of the Japanese Alps and is a popular ski resort. It is also the starting point for trekking Mount Shirouma and Mount Goryu, two of the One Hundred Mountains of Japan. The Hakuba Valley receives an average annual snow fall of 655 cm (258 inches). The 2024–25 winter season in Hakuba holds the record for the highest snowfall in a single winter, with a total accumulation of 782 cm. Hakuba is the central hub for 10 ski resorts with more than 200 runs. The village was the main event venue for 1998 Winter Olympics (Alpine, Ski Jump, Crosscountry).

Karuizawa (軽井沢町, Karuizawa-machi) is a resort town located in Nagano Prefecture, Japan. As of 1 October 2025, the town had an estimated population of 21,834 in 11,285 households, and a population density of 139 persons per km. The total area of the town is 156.03 km (60.24 sq mi).

Originally, there was a stage station (shukuba) called Karuisawa-shuku on the Nakasendō. The Shin'etsu Line opened in 1888 and the town became popular as a Western-style hill station around that time.

Nozawaonsen (野沢温泉村, Nozawaonsen-mura) is a village located in Nagano Prefecture, Japan. As of 1 April 2019, the village had an estimated population of 3,653 in 1,395 households and a population density of 63 persons per km². The total area of the village is 57.96 square kilometres (22.38 sq mi).