Gunma PrefectureGunma Prefecture (群馬県, Gunma-ken; Japanese pronunciation:) is an inland 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.
Chūbu regionThe 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.
Yamagata PrefectureYamagata Prefecture (山形県, Yamagata-ken) is a prefecture of Japan located in the Tōhoku region of Honshu. It has a population of 1,005,926 (1 February 2025) and an area of 9,325 km (3,600 sq mi). Its neighbours are Akita Prefecture to the north, Miyagi Prefecture to the east, Fukushima Prefecture to the south, and Niigata Prefecture to the southwest. The capital and largest city is Yamagata, with other major cities being Tsuruoka, Sakata and Yonezawa.List of Japanese prefectures by areaThis is the list of Japanese prefectures by area. Prefectures of Japan ranked by area as of October 1, 2015Figures here are according to the official estimates of Japan. Ranks are given by estimated areas. Undetermined areas here account for domestic boundary regions either in uncertainty or disputed among Japanese prefectures.
HonshuHonshu (Japanese: 本州, Hepburn: Honshū; pronounced; lit.'main province'), historically known as Akitsushima (秋津島; lit.'dragonfly island') or Hondo (本土; lit.'mainland'), is the largest of Japan's four main islands. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the seventh-largest island in the world, and the second-most populous after the Indonesian island of Java.
Toyama PrefectureToyama 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 km2 (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.
JapanJapan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asian mainland, it is bordered to the west by the Sea of Japan, the Sea of Okhotsk in the north, and the East China Sea in the south. The Japanese archipelago consists of four major islands alongside over 14,000 smaller islands.
Fukushima PrefectureFukushima Prefecture (福島県, Fukushima-ken; pronounced [ɸɯ̥.kɯꜜ.ɕi.ma, -kɯ.ɕi.maꜜ.keɴ]) is a prefecture of Japan located in the Tōhoku region of Honshu. Fukushima Prefecture has a population of 1,771,100 (as of 1 July 2023) and has a geographic area of 13,783.90 square kilometres (5,321.99 sq mi).
Nagano PrefectureNagano Prefecture (長野県, Nagano-ken; Japanese pronunciation: [naꜜɡano, naɡanoꜜkeɴ]) is a landlocked prefecture of Japan located in the Chūbu region of Honshu. It has a population of 2,007,682 as of 1 July 2023 and a geographic area of 13,561.56 square kilometres (5,236.15 sq mi).
Prefectures of JapanJapan is divided into 47 prefectures (都道府県, todōfuken, [todoːɸɯ̥ꜜkeɴ] ), which rank immediately below the national government and form the country's first level of jurisdiction and administrative division. They include 43 prefectures proper (県, ken), two urban prefectures (府, fu: Osaka and Kyoto), one regional prefecture (道, dō: Hokkaidō) and one metropolis (都, to: Tokyo).
Niigata (city)Prefecture capital and Designated city in Chūbu, JapanNiigata (新潟市, Niigata-shi; Japanese pronunciation:) is a city located in the northern part of Niigata Prefecture (Kaetsu area [ja]). It is the capital and the most populous city of Niigata Prefecture, and one of the cities designated by government ordinance of Japan, located in the Chūbu region of Japan.
Nagaoka, NiigataNagaoka (長岡市, Nagaoka-shi) is a city located in Niigata Prefecture, Japan. It is the second largest city in the prefecture, after the capital city of Niigata. As of 4 August 2021, the city had an estimated population of 264,611 in 109,283 households and a population density of 300 inhabitants per square kilometre (780/sq mi). The total area of the city was 891.06 square kilometres (344.04 sq mi).*As an Amazon Associate I earn from qualifying purchases.