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 central

Kanagawa Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-densest at . Its geographic area of makes it fifth-smallest. Kana ...

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 ...

. It currently consists of only one town,

Samukawa is a town located in Kanagawa Prefecture, Japan. , the town had an estimated population of 48,679 and a population density of 3600 persons per km². The total area of the town is . Geography Samukawa is located in the flatlands of central Kan ...

. The entire cities of

Chigasaki is a city located in Kanagawa Prefecture, Japan. , the city had an estimated population of 242,798 and a population density of 6800 people per km². The total area of the city is . Geography The city is located on the eastern bank of the Sagami ...

, Fujisawa,

Yamato was originally the area around today's Sakurai City in Nara Prefecture of Japan, which became Yamato Province and by extension a name for the whole of Japan. Yamato is also the dynastic name of the ruling Imperial House of Japan. Japanese his ...

Ayase Ayase may refer to: Places *Ayase, Kanagawa, Japan *Ayase, an area in Adachi, Tokyo, Japan ** Ayase Station, train station in Adachi, Tokyo People *Ayase (music producer) (born 1994), Japanese vocaloid producer *, Japanese actress *, Japanese foot ...

, Ebina, Zama; and parts of the city of

Sagamihara is a city in Kanagawa Prefecture, Japan. , the city has an estimated population of 723,470, with 334,812 households, and a population density of 1,220 persons per km2. The total area of the city is . Sagamihara is the third-most-populous city ...

, were formerly part of Kōza District. As of 2009, 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 47,812 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 3,560 persons per km². The total area is 13.42 km².

Towns and villages

History

Kōza District was one of the ancient subdivisions of

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 ...

, extending from

Sagami Bay lies south of Kanagawa Prefecture in Honshu, central Japan, contained within the scope of the Miura Peninsula, in Kanagawa, to the east, the Izu Peninsula, in Shizuoka Prefecture, to the west, and the Shōnan coastline to the north, while the ...

north to the border of

Musashi Province was a province of Japan, which today comprises Tokyo Metropolis, most of Saitama Prefecture and part of Kanagawa Prefecture. It was sometimes called . The province encompassed Kawasaki and Yokohama. Musashi bordered on Kai, Kōzuke, Sagami, S ...

between the

Sagami River The is a river in Kanagawa Prefecture, Kanagawa and Yamanashi Prefecture, Yamanashi Prefectures on the island of Honshū, Japan. The upper reaches of the river in Yamanashi prefecture are also sometimes known as the , and the portion near the ...

and the Sakai River. It was mentioned in the '' Nihon Shoki'' records of 675 AD in the

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 ...

as . The provincial capital of Sagami Province and its '' kokubunji'' were located within Kōza District, although its exact location is today unknown. The area was under the control of various ''

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, ...

'' from 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. ...

through 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 ...

, and was held as ''

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 ...

'' territory administered by the ''

shōgun , officially , was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamakur ...

'' 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 ...

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 ...

Timeline

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 ...

, it was established as a

under the cadastral reform of 1878, with a district office built near what is now part of

. This was moved to Fujisawa-Ōsaka Town (present-day Fujisawa) in 1906. * On April 1, 1889, Kōza District was divided into one town (Fujisawa-Ōsaka) and 22 villages. In 1908, Chigasaki Village became a town, as did Kamimizo in 1928, and Zama in 1937. Fujisawa became a

city A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be def ...

in 1940.

and Ebina became towns the same year. In 1941, Zama, Kamimizo and six neighboring villages merged to form the town of Sagamihara. Yamato became a town in 1943, Shibuya in 1944 and Ayase in 1945. Chigasaki became a city in 1947. * In 1948, Zama was separated from

, which became a city in 1954. * The town of Shibuya dissolved in 1955, with the southern portions merging with Fujisawa, and the northern portion reverting to the status of village until absorbed by Yamato town in 1956.

became a city in 1959, and both Ebina and Zama became cities in 1971, and

in 1978, leaving Samukawa as the only remaining component of Kōza District.

Merger table

{{DEFAULTSORT:Koza District, Kanagawa Districts in Kanagawa Prefecture