was a rural

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 southern

Aichi Prefecture is a prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,552,873 () and a geographic area of with a population density of . Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefectur ...

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 ...

, located on the

Atsumi Peninsula is a peninsula in southern Aichi Prefecture, central Honshū, Japan. It has an approximate length of east-west, separating Mikawa Bay (to the north) from the Philippine Sea to the south, with Ise Bay lying to its west. It faces the Chita P ...

Mikawa Bay Mikawa Bay (Landsat photo) Mikawa Bay (三河湾 ''Mikawa-wan'') is a bay to the south of Aichi Prefecture, Japan, surrounded by Chita Peninsula to the west and Atsumi Peninsula to the east and south. Its area is approximately 604 km2. Pollu ...

. As a result of various consolidations and mergers of municipalities, the district was incorporated into the cities of

Toyohashi is a city in Aichi Prefecture, Japan. , the city had an estimated population of 377,453 in 160,516 households and a population density of 1,400 persons per km2. The total area of the city was . By area, Toyohashi was Aichi Prefecture's second-la ...

and Tahara in 2005. As of 2004 (the last data available before its dissolution), the district had 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 21,657 and a

population density Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopul ...

of 263.5 persons per km². Its total area was 82.18 km².

History

Atsumi is one of the ancient counties of southern

Mikawa Province was an old province in the area that today forms the eastern half of Aichi Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces. Mik ...

and 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 cap ...

records. Due to its geographic proximity to

Ise Province was a province of Japan in the area of Japan that is today includes most of modern Mie Prefecture. Ise bordered on Iga, Kii, Mino, Ōmi, Owari, Shima, and Yamato Provinces. Its abbreviated form name was . History The name of Ise appears i ...

, during the Nara and

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. ...

, large portions of its lands were managed as ''

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, ...

'' controlled by

Ise Shrine The , located in Ise, Mie Prefecture of Japan, is a Shinto shrine dedicated to the sun goddess Amaterasu. Officially known simply as , Ise Jingū is a shrine complex composed of many Shinto shrines centered on two main shrines, and . The Inner ...

or under the direct control of the

Imperial family A royal family is the immediate family of kings/queens, emirs/emiras, sultans/ sultanas, or raja/rani and sometimes their extended family. The term imperial family appropriately describes the family of an emperor or empress, and the term pap ...

. During the

Muromachi period The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by t ...

, the

Isshiki clan is a Japanese kin group of the Sengoku period. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2003)"Isshiki," ''Nobiliare du Japon'', p. 16 retrieved 2013-5-25. History The clan clai ...

rose to prominence, but after the

Ōnin War The , also known as the Upheaval of Ōnin and Ōnin-Bunmei war, was a civil war that lasted from 1467 to 1477, during the Muromachi period in Japan. ''Ōnin'' refers to the Japanese era during which the war started; the war ended during the Bunmei ...

were displaced by the

Toda clan Toda may refer to: *Toda (surname), a Japanese surname *Queen Toda of Navarre (fl. 885–970) *Toda people *Toda language *Toda Embroidery *Toda lattice *Toda field theory *Oscillator Toda *Toda, Saitama, Japan * TODA Racing, who tune and race veh ...

, who built

Tahara Castle is a Japanese castle located in Tahara, southern Aichi Prefecture, Japan. At the end of the Edo period, Tahara Castle was home to the Miyake clan, ''daimyō'' of the 12,000 ''koku'' Tahara Domain. History Tahara Castle is located on a small h ...

. However, in 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 ...

, the Doi were challenged by the rising power of the

Makino clan The are a ''daimyō'' branch of the ''samurai'' Minamoto clan in Edo period Japan.Alpert, Georges. (1888) ''Ancien Japon,'' p. 70./ref> In the Edo period, the Makino were identified as one of the '' fudai'' or insider ''daimyō'' clans which we ...

and

Matsudaira clan The was a Japanese samurai clan that descended from the Minamoto clan. It originated in and took its name from Matsudaira village, in Mikawa Province (modern-day Aichi Prefecture). During the Sengoku period, the chieftain of the main line of th ...

to the north, and the

Imagawa clan was a Japanese samurai clan that claimed descent from the Seiwa Genji by way of the Kawachi Genji. It was a branch of the Minamoto clan by the Ashikaga clan. Origins Ashikaga Kuniuji, grandson of Ashikaga Yoshiuji, established himself in the ...

to the east. In 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 ...

, 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 ...

, most of the district was administered by the feudal domains of

Tahara Domain was a minor '' fudai'' Japanese domain under the Tokugawa shogunate of Edo period Japan, located in southern Mikawa Province (modern-day southeastern Aichi Prefecture), Japan. It was centered on Tahara Castle in what is now the city of Tahara. ...

Yoshida Domain was a Japanese feudal domain under the Tokugawa shogunate of Edo period Japan, located in Mikawa Province located in eastern Mikawa Province (modern-day eastern Aichi Prefecture), Japan. It was centered on Yoshida Castle in what is now the cit ...

and Hatagamura Domain. After 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 ...

, the area was merged into Aichi Prefecture. In the cadastral reforms of the early Meiji period, on October 1, 1889, Atsumi District was divided into one town (Toyohashi) and 32 villages (35 villages by 1891 due to reorganization). Tahara was raised to town status on October 3, 1892, followed by Okawa village on June 23, 1893, and Fukue on February 22, 1897. In a round of consolidation in May 1906, the town of Fukagawa was created, and the remaining number of villages was reduced from 33 to 10. Toyohashi was also raised to city status on August 1, 1906. Toyohashi annexed two neighboring villages in 1932, leaving the district with three towns and eight villages. After World War II, in another round of consolidation in 1955, Futagawa Town merged with Toyohashi city, and the town of Atsumi was created. With the elevation of Akabane to town status on November 1, 1958, the district was left with only three towns. * On August 20, 2003 - the town of Tahara absorbed the town of Akabane to create the city of Tahara. * On October 1, 2005 - the town of Atsumi was merged into Tahara. Therefore, Atsumi District was dissolved as a result of this merger.

External links

Counties of Japan
Former districts of Aichi Prefecture {{Aichi-geo-stub