was a Japanese

domain Domain may refer to: Mathematics *Domain of a function, the set of input values for which the (total) function is defined **Domain of definition of a partial function **Natural domain of a partial function **Domain of holomorphy of a function * Do ...

of 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 ...

, located in

Shimōsa Province was a province of Japan in the area modern Chiba Prefecture, and Ibaraki Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Shimōsa''" in . It lies to the north of the Bōsō Peninsula (房総半島), whose name takes its first ''kanji'' from ...

(modern-day

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 ...

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 ...

. The site of the Oyumi ''

jin'ya A was a type of administrative headquarters in the Tokugawa Shogunate during the Edo period of Japanese history. ''Jin'ya'' served as the seat of the administration for a small domain, a province, or additional parcels of land. ''Jin'ya'' hou ...

'' is now under a residential area of the city of Chiba. The domain was ruled through its entire history by the

Morikawa clan Morikawa (most commonly ) is a Japanese surname. Notable people with the surname include: *Aizō Morikawa (1878–1949), photographer *Collin Morikawa (born 1997), American golfer *, Japanese tea master *, Japanese film director *Miho Morikawa (bo ...

History

Oyumi Domain was created in February 1627, when Morikawa Shigetoshi, a ''

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 ...

'' in the service of Shōgun

Tokugawa Hidetada was the second ''shōgun'' of the Tokugawa dynasty, who ruled from 1605 until his abdication in 1623. He was the third son of Tokugawa Ieyasu, the first ''shōgun'' of the Tokugawa shogunate. Early life (1579–1593) Tokugawa Hidetada was bo ...

acquired holdings in

Sagami Sagami may refer to: * Sagami, an 11th-century ''waka'' poet *Sagami Province, an old province in Japan *Sagami River, a river in Kanagawa and Yamanashi *Sagami Bay, a bay south of Kanagawa Prefecture in Honshū *Sagami Line, a railway roughly along ...

, Kazusa and Shimōsa Provinces with revenues exceeding the 10,000 ''

koku The is a Chinese-based Japanese unit of volume. 1 koku is equivalent to 10 or approximately , or about . It converts, in turn, to 100 shō and 1000 gō. One ''gō'' is the volume of the "rice cup", the plastic measuring cup that is supplied ...

'' necessary to qualify as a ''daimyō''. He was allowed to build a ''jin'ya'' on the site 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 ...

Oyumi Castle. He later rose to the post of ''

rōjū The , usually translated as '' Elder'', was one of the highest-ranking government posts under the Tokugawa shogunate of Edo period Japan. The term refers either to individual Elders, or to the Council of Elders as a whole; under the first two ''sh� ...

'', and committed ''

junshi refers to the medieval Japanese act of vassals committing seppuku (a voluntary suicide) for the death of their lord. Originally it was only performed when the lord was slain in battle or murdered. Background The practice is described by Chines ...

'' on the death of

. His successors continued to rule Oyumi Domain until the

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 ...

Holdings at the end of the Edo period

As with most domains in the

han system ( ja, 藩, "domain") is a Japanese historical term for the estate of a daimyo in the Edo period (1603–1868) and early Meiji period (1868–1912). Nussbaum, Louis-Frédéric. (2005)"Han"in ''Japan Encyclopedia'', p. 283. or (daimyo domain) s ...

, Oyumi Domain consisted of several discontinuous territories calculated to provide the assigned ''

kokudaka refers to a system for determining land value for taxation purposes under the Tokugawa shogunate of Edo-period Japan, and expressing this value in terms of ''koku'' of rice. Nussbaum, Louis-Frédéric. (2005)"Koku"in ''Japan Encyclopedia'', p. 54 ...

'', based on periodic

cadastral A cadastre or cadaster is a comprehensive recording of the real estate or real property's metes-and-bounds of a country.Jo Henssen, ''Basic Principles of the Main Cadastral Systems in the World,'/ref> Often it is represented graphically in a cad ...

surveys and projected agricultural yields.Elison, George and Bardwell L. Smith (1987)
''Warlords, Artists, & Commoners: Japan in the Sixteenth Century,'' p. 18
The domain was centered on what is now Chuo Ward and Midori Ward of the city of

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 ...

. *

**19 villages in Chiba District **3 villages in Sōsa District **1 village in Kaijō District *

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 ...

**1 village in Nagara District **1 village in Musha District *

Sagami Province was a province of Japan located in what is today the central and western Kanagawa Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Kanagawa''" at . Sagami Province bordered the provinces of Izu, Musashi, and Suruga. It had access to the Paci ...

**1 village in Kamakura District **3 villages in Osumi District

List of daimyō

('' fudai'') 1627-1871

References

*Bolitho, Harold (1974). ''Treasures among men; the fudai daimyo in Tokugawa Japan''. New Haven: Yale University Press. *Kodama Kōta 児玉幸多, Kitajima Masamoto 北島正元 (1966). ''Kantō no shohan'' 関東の諸藩. Tokyo: Shin Jinbutsu Ōraisha.

External links

Genealogy of the lords of Oyumi

Notes

{{Authority control Domains of Japan 1627 establishments in Japan States and territories established in 1627 1871 disestablishments in Japan States and territories disestablished in 1871 Shimōsa Province History of Chiba Prefecture