is a

district A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...

located in

Chiba Chiba may refer to: Places China * (), town in Jianli County, Jingzhou, Hubei Japan * Chiba (city), capital of Chiba Prefecture ** Chiba Station, a train station * Chiba Prefecture, a sub-national jurisdiction in the Greater Tokyo Area on ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. As of 2010, the district has an estimated

population Population typically refers to the number of people in a single area, whether it be a city or town, region, country, continent, or the world. Governments typically quantify the size of the resident population within their jurisdiction using a ...

of 18,593 and a

density Density (volumetric mass density or specific mass) is the substance's mass per unit of volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' can also be used. Mathematical ...

of 120 persons per km². The total area was . The district formerly included all of the city of Katsuura, most of the city of

Isumi is a city located in Chiba Prefecture, Japan. , the city had an estimated population of 37,206 in 17,004 households and a population density of 240 persons per km². The total area of the city is . Geography Isumi is located on the east coast ...

and a portion of the town of Mutsuzawa. It has been reduced in size through mergers and consolidation to two towns. The district is located in the outer zone of Metropolitan Tokyo, roughly from the center of the capital.

Towns and villages

Onjuku is a town located in Chiba, Japan. , the town had an estimated population of 7,523 in 3683 households and a population density of 300 persons per km². The total area o the town is . The name of the town is made of two ''kanji'' characters: t ...

* Ōtaki

History

Early history

Isumi District was one of the ancient districts of

Kazusa Province was a province of Japan in the area of modern Chiba Prefecture. The province was located in the middle of the Bōsō Peninsula, whose name takes its first ''kanji'' from the name of Awa Province and its second from Kazusa and Shimōsa province ...

. The district was named after the

Isumi River The is a river in Chiba Prefecture, Japan. It is in length and has a drainage area of . Under the Rivers Act of 1906 the Isumi is designated as a Class 2 River. Additionally, the government has designated the Isumi River a national-level . Geo ...

, which runs from the mountainous areas of Katsuura to the south of

Kujūkuri Beach is a sandy beach that occupies much of the northeast coast of the Bōsō Peninsula in Chiba Prefecture, Japan. The beach is approximately long, making it the second longest beach in Japan. Kujūkuri Beach is a popular swimming and surfing dest ...

on the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. The district is mentioned in

Nara-period The of the history of Japan covers the years from CE 710 to 794. Empress Genmei established the capital of Heijō-kyō (present-day Nara). Except for a five-year period (740–745), when the capital was briefly moved again, it remained the ca ...

chronicles under various names, usually as . The '' Nihon Shoki'' records the area as , and the ''

Kojiki The , also sometimes read as or , is an early Japanese chronicle of myths, legends, hymns, genealogies, oral traditions, and semi-historical accounts down to 641 concerning the origin of the Japanese archipelago, the , and the Japanese imperia ...

'' as . In the ancient period the district bordered Mōda and Unakami districts to the west, and

Habu is a Ryukyuan and Japanese name referring to certain venomous snakes: * The following species are found in the Ryukyu Islands of Japan: ** '' Protobothrops elegans'', a.k.a. the Sakishima habu, found in the southern Ryukyu Islands ** ''Protoboth ...

and Nagara districts to the north. In the

Heian period The is the last division of classical Japanese history, running from 794 to 1185. It followed the Nara period, beginning when the 50th emperor, Emperor Kanmu, moved the capital of Japan to Heian-kyō (modern Kyoto). means "peace" in Japanese. ...

(794–1185) the district was divided into two

shōen A was a field or manor in Japan. The Japanese term comes from the Tang dynasty Chinese term "莊園" (Mandarin: ''zhuāngyuán'', Cantonese: ''zong1 jyun4''). Shōen, from about the 8th to the late 15th century, describes any of the private, ...

estates; one to the north, and one to the south.

Minamoto no Yoritomo was the founder and the first shogun of the Kamakura shogunate of Japan, ruling from 1192 until 1199.Nussbaum, Louis-Frédéric. (2005). "Minamoto no Yoriie" in . He was the husband of Hōjō Masako who acted as regent (''shikken'') after his ...

(1147–1199) drew soldiers from both

estates with the assistance of the local warlord

Kazusa Hirotsune Kazusa Hirotsune (上総広常, died 1183) was a samurai lord and ''gōzoku'' in Kantō during the late Heian period. He was the head of the Bōsō Taira clan and fought against the Taira clan on Minamoto clan's side during the Genpei War. He ...

(?–1184). Yoritomo went on to found the

Kamakura Shogunate The was the feudal military government of Japan during the Kamakura period from 1185 to 1333. Nussbaum, Louis-Frédéric. (2005)"''Kamakura-jidai''"in ''Japan Encyclopedia'', p. 459. The Kamakura shogunate was established by Minamoto no Y ...

. Manki Castle and Ōtaki Castle were built in this period. Kuniyoshi, once a village and now part of Isumi City, became a noted

market town A market town is a settlement most common in Europe that obtained by custom or royal charter, in the Middle Ages, a market right, which allowed it to host a regular market; this distinguished it from a village or city. In Britain, small rural ...

in this period, and a ''rokusai-ichi'', or market held six days of the month, is held to this day. By the end of the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

(1467–1573) the district had been variously controlled by the Toki, Hōjō, and Satomi clans. The Satomi ceded the area to

Oda Nobunaga was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan. Nobunaga was head of the very powerful Oda clan, and launched a war against other ''daimyō'' to unify ...

(1534–1582) in 1590.

Edo period

The name of Isumi District was standardized to its present ''kanji'' and pronunciation by the

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fellow ...

(1543–1616), as part of the wider unification of Japan, entered the

Kantō region The is a geographical area of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba and Kanagawa. Slight ...

in 1590 and awarded the Isumi District to a trusted general

Honda Tadakatsu , also called Honda Heihachirō (本多平八郎) was a Japanese samurai, general and daimyo of the late Sengoku through early Edo periods, who served Tokugawa Ieyasu. Honda Tadakatsu was one of the Tokugawa Four Heavenly Kings along with Ii N ...

(1548–1610). Under the

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

, the minor

feudal domain A demesne ( ) or domain was all the land retained and managed by a lord of the manor under the feudal system for his own use, occupation, or support. This distinguished it from land sub-enfeoffed by him to others as sub-tenants. The concept or ...

Ōtaki Domain was a feudal domain under the Tokugawa shogunate of the Edo period, located in Kazusa Province (modern-day Chiba Prefecture), Japan. It was centered on Ōtaki Castle in what is now the town of Ōtaki, Chiba. History The original Ōtaki Castle w ...

, controlled by Honda Tadakatsu from Ōtaki Castle, controlled 18 villages within the district, with another 57 villages under the control of other domains (including one village belonging to Nitta Domain in

Tosa Province was a province of Japan in the area of southern Shikoku. Nussbaum, Louis-Frédéric. (2005). "''Tosa''" in . Tosa bordered on Awa to the northeast, and Iyo to the northwest. Its abbreviated form name was . In terms of the Gokishichidō syste ...

). The remaining 108 villages were ''

tenryō The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

'' under direct control of the central government and administered by various

hatamoto A was a high ranking samurai in the direct service of the Tokugawa shogunate of feudal Japan. While all three of the shogunates in Japanese history had official retainers, in the two preceding ones, they were referred to as ''gokenin.'' However ...

, or

samurai were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century until their abolition in 1876. They were the well-paid retainers of the '' daimyo'' (the great feudal landholders). They h ...

in the direct service of the Tokugawa shogunate. The Edo period was marked by the extensive development of rice paddy land in the district.

Modern period

In the post

Meiji Restoration The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored practical imperial rule to Japan in 1868 under Emperor Meiji. Although there were ...

cadastral reform, the area came under the control of

Chiba Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Chiba Prefecture has a population of 6,278,060 (1 June 2019) and has a geographic area of . Chiba Prefecture borders Ibaraki Prefecture to the north, Saitama Prefecture to the ...

and on April 1, 1889, was divided into two towns ( Ōtaki and Asahi) and 21 villages. Katsuura was elevated to town status on March 12, 1890,

Kuniyoshi Kuniyoshi (written: 国吉 or 國吉) is a Japanese surname. Notable people with the surname include: * Fumio Kuniyoshi (国吉史生, born 1985), Japanese-German rapper *, Japanese footballer *, American painter and photographer *, Japanese bas ...

(future Chōjamachi) on September 22, 1893, Ōhara on December 2, 1899,

on April 1, 1914, and Okitsu on January 1, 1921. The town of

was created on April 29, 1954, through the merger of Chōjamachi with neighboring villages, and the town of Taitō was created in December of the same year. Katsuura was elevated to city status on October 1, 1958. Taitō and Chōjamachi merged to form the town of

Misaki Misaki ( ja, 御先, "misaki") are a collective term for spirit-like existences in Japan like gods, demons and spirits, among other supernatural entities. Their name comes from a kannushi's vanguard. Summary Misaki are subordinate to the high ...

on August 1, 1961, leaving the district with five towns. On December 5, 2005, the towns of Isumi, Misaki and Ōhara

merged Mergers and acquisitions (M&A) are business transactions in which the ownership of companies, other business organizations, or their operating units are transferred to or consolidated with another company or business organization. As an aspect ...

to form the city of

, leave the district with only two remaining towns.

Notes

References

* *
Counties of Japan
{{Authority control Districts in Chiba Prefecture