Shikoku, Japanese pronunciation:[ɕikokɯ] is the smallest of the four main islands of Japan. It is 225 km or 139.8 mi long and between 50 and 150 km or 31.1 and 93.2 mi at its widest. It has a population of 3.8 million, the least populated out of Japan's four main islands. It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include Iyo-no-futana-shima (伊予之二名島), Iyo-shima (伊予島), and Futana-shima (二名島), and its current name refers to the four former provinces that make up the island: Awa, Tosa, Sanuki, and Iyo.
Ehime Prefecture is a prefecture of Japan located on the island of Shikoku. Ehime Prefecture has a population of 1,334,841 and has a geographic area of 5,676 km2. Ehime Prefecture borders Kagawa Prefecture to the northeast, Tokushima Prefecture to the east, and Kōchi Prefecture to the southeast.
Uwajima is a city located in Ehime Prefecture, Japan. As of 1 September 2022, the city had an estimated population of 70,440 in 35429 households and a population density of 150 persons per km2. The total area of the city is 468.19 square kilometres (180.77 sq mi).
Sukumo is a city located in Kōchi Prefecture, Japan. As of 31 July 2022, the city had an estimated population of 19,292 in 9966 households, and a population density of 67 persons per km². The total area of the city is 286.20 square kilometres (110.50 sq mi).
Sanuki Province was a province of Japan in the area of northeastern Shikoku. Sanuki bordered on Awa to the south, and Iyo to the west. Its abbreviated form name was Sanshū (讃州). In terms of the Gokishichidō system, Sanuki was one of the provinces of the Nankaidō circuit. Under the Engishiki classification system, Sanuki was ranked as one of the "upper countries" (上国) in terms of importance, and one of the "middle countries" (中国) in terms of distance from the capital. The provincial capital was located in what is now the city of Sakaide, but its exact location was only identified in 2012. The ichinomiya of the province is the Tamura jinja located on the city of Takamatsu.
Awa Province was a province of Japan in the area that is today Tokushima Prefecture on the island of Shikoku. Awa was bordered by Tosa, Sanuki, and Iyo Provinces. Its abbreviated form name was Ashū (阿州). In terms of the Gokishichidō system, Awa was one of the provinces of the Nankaidō circuit. Under the Engishiki classification system, Awa was ranked as one of the 35 "superior countries" (上国) in terms of importance, and one of the "middle countries" (中国) in terms of distance from the capital. The provincial capital was located in what is now the city of Tokushima.
Shikokuchūō is a city located in Ehime Prefecture, Japan. As of August 31, 2022, the city had an estimated population of 83,635 in 28876 households and a population density of 200 persons per km². The total area of the city is 421.24 square kilometres (162.64 sq mi). Shikokuchūō is the leading producer of paper and paper products in Japan. It is also a port city and one of Ehime's major centers of industry.
The Invasion of Shikoku was a conflict of the Sengoku period of Japan fought between Toyotomi Hideyoshi and Chōsokabe Motochika on the island of Shikoku in 1585. Hideyoshi invaded Shikoku with a force of over 100,000 men in June and led a campaign against the Chōsokabe clan force of 40,000 men for control over the island. Hideyoshi's army was successful and conquered most of Shikoku within two months, and defeated Chōsokabe when he surrendered Ichinomiya Castle in August.
The Tosa dialect is a Japanese Shikoku dialect spoken in central and eastern Kochi Prefecture, including Kochi City. The dialect of the Western region of Kochi Prefecture is called the Hata dialect and is drastically different from the Central and Eastern dialect.
Shimanto is a town located in Takaoka District, Kōchi Prefecture, Japan. As of 31 July 2022, the town had an estimated population of 15‚917 in 8196 households, and a population density of 25 persons per km2. The total area of the town is 642.30 square kilometres (247.99 sq mi).
Chōsokabe Motochika was a prominent daimyō in Japanese Sengoku-period. He was the 21st chief of the Chōsokabe clan of Tosa Province, the ruler of Shikoku region.
Chōsokabe clan, also known as Chōsokame (長宗我部), was a Japanese samurai kin group. Over time, they were known for serving the Hosokawa clan, then the Miyoshi clan and then the Ichijō clan.
Dosan Line is a railway line in Shikoku, Japan, operated by the Shikoku Railway Company. It connects Tadotsu Station in Tadotsu, Kagawa, and Kubokawa Station in Shimanto, Kōchi. The line links the city of Kōchi with northern Shikoku and the island of Honshū via the Seto-Ōhashi Line. The first section of the line between Tadotsu and Kotohira opened in 1889, Kochi was connected to the northern section of the line in 1935, and the western extension of the line was completed in 1951. The name of the line comes from "Tosa" (土佐) and "Sanuki" (讃岐), the old provincial names of present-day Kōchi Prefecture and Kagawa Prefecture, respectively.
Iyo Province was a province of Japan in the area of northwestern Shikoku. Iyo bordered on Sanuki Province to the northeast, Awa to the east, and Tosa to the south. Its abbreviated form name was Yoshū (予州). In terms of the Gokishichidō system, Iyo was one of the provinces of the Nankaidō circuit. Under the Engishiki classification system, Iyo was ranked as one of the "upper countries" (上国) in terms of importance, and one of the "far countries" (遠国) in terms of distance from the capital. The provincial capital was located in what is now the city of Imabari, but its exact location is still unknown. The ichinomiya of the province is the Ōyamazumi Shrine located on the island of Ōmishima in what is now part of Imabari. The people spoke Iyo dialect.
Tosa Province was a province of Japan in the area of southern Shikoku. Tosa bordered on Awa to the northeast, and Iyo to the northwest. Its abbreviated form name was Doshū (土州). In terms of the Gokishichidō system, Tosa was one of the provinces of the Nankaidō circuit. Under the Engishiki classification system, Tosa was ranked as one of the "middle countries" (中国) in terms of importance, and one of the "far countries" (遠国) in terms of distance from the capital. The provincial capital was located in what is now the city of Nankoku. The ichinomiya of the province is the Tosa shrine located in the city of Kōchi.
Yuzuki Castle was a former Japanese castle located in the city of Matsuyama, Ehime Prefecture, Japan. During the Muromachi period, it was the stronghold of the Kōno clan, who ruled Iyo Province under the Muromachi shogunate. The ruins of the castle were area designated a National Historic Site.
The Chūgoku dialect is a group of the Japanese dialects spoken in most of the Chūgoku region and in the northwestern Kansai region. It may be separated into two groups according to the form of the copula.
Okō Castle was a Japanese castle structure located in what is now part of the city of Nankoku Kōchi Prefecture, Japan. It was the original base of power for the Chōsokabe clan who were feudal lords of Tosa Province during the late Muromachi and Sengoku periods and famous as the birthplace of the warlord Chōsokabe Motochika. Its ruins have been protected as a National Historic Site since 2008.
Kagomori Castle was a Sengoku period Japanese castle located in the Matsumaru neighborhood of the town of Matsuno, Ehime Prefecture, Japan. Its ruins have been protected as a National Historic Site since 1997.
