is one of the 18 wards of the city of

Yokohama is the second-largest city in Japan by population and the most populous municipality of Japan. It is the capital city and the most populous city in Kanagawa Prefecture, with a 2020 population of 3.8 million. It lies on Tokyo Bay, south of T ...

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. Kanag ...

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 n ...

. As of 2010, the ward 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 usi ...

of 126,839 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. Mathematicall ...

of 7,390 persons per km². The total area was 17.16 km².

Geography

Seya Ward is located in eastern Kanagawa Prefecture, and on the northwestern borders of the city of Yokohama. The area is largely flatland, with scattered small hills.

Surrounding municipalities

* Asahi Ward * Midori Ward * Izumi Ward *

Yamato, Kanagawa is a city located in central Kanagawa Prefecture, Japan. , the city had an estimated population of 242,065 and a population density of 8900 persons per km². The total area of the city is . Geography Yamato is located approximately 40 to 50 kil ...

Machida, Tokyo is a city located in the western portion of Tokyo Metropolis, Japan. , the city had an estimated population of 428,851, and a population density of 6,000 persons per km². The total area of the city was . Geography Machida is located in the T ...

History

The area around present-day Seya Ward has been inhabited continuously for thousands of years. Archaeologists have found stone tools from the

Japanese Paleolithic The is the period of human inhabitation in Japan predating the development of pottery, generally before 10,000 BC. The starting dates commonly given to this period are from around 40,000 BC; although any date of human presence before 35,000 BC ...

period and ceramic shards from the

Jōmon period The is the time in Japanese history, traditionally dated between 6,000–300 BCE, during which Japan was inhabited by a diverse hunter-gatherer and early agriculturalist population united through a common Jōmon culture, which reached a c ...

, house ruins from the

Yayoi period The started at the beginning of the Neolithic in Japan, continued through the Bronze Age, and towards its end crossed into the Iron Age. Since the 1980s, scholars have argued that a period previously classified as a transition from the Jōm ...

and tombs from the

Kofun period The is an era in the history of Japan from about 300 to 538 AD (the date of the introduction of Buddhism), following the Yayoi period. The Kofun and the subsequent Asuka periods are sometimes collectively called the Yamato period. This period is ...

at numerous locations in the area. Under 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 c ...

Ritsuryō , , is the historical law system based on the philosophies of Confucianism and Chinese Legalism in Japan. The political system in accord to Ritsuryō is called "Ritsuryō-sei" (律令制). ''Kyaku'' (格) are amendments of Ritsuryō, ''Shiki' ...

system, it became part of Kamakura District in

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 Pac ...

. By the

Kamakura period The is a period of Japanese history that marks the governance by the Kamakura shogunate, officially established in 1192 in Kamakura by the first ''shōgun'' Minamoto no Yoritomo after the conclusion of the Genpei War, which saw the struggle b ...

, parts of Seya were part of a ''

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 ...

'' which supported the

Shinto shrine A is a structure whose main purpose is to house ("enshrine") one or more ''kami'', the deities of the Shinto religion. Overview Structurally, a Shinto shrine typically comprises several buildings. The ''honden''Also called (本殿, meanin ...

Tsurugaoka Hachimangū is the most important Shinto shrine in the city of Kamakura, Kanagawa Prefecture, Japan. The shrine is a cultural center of the city of Kamakura and serves as the venue of many of its most important festivals with two museums. For most of its ...

. The ''Kamakura-kaidō'', a highway linking Kamakura with the provinces in northern Japan also passed through the area. 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 ...

, Seya was a contested territory between the competing

Uesugi clan The is a Japanese samurai clan which was at its peak one of the most powerful during the Muromachi and Sengoku periods (14th to 17th centuries). Appert, Georges. (1888) ''Ancien Japon,'' p. 79./ref> At its height, the clan had three main branc ...

and

Ashikaga clan The was a prominent Japanese samurai clan which established the Muromachi shogunate and ruled Japan from roughly 1333 to 1573. The Ashikaga were descended from a branch of the Minamoto clan, deriving originally from the town of Ashikaga ...

until the area was seized by the

Later Hōjō clan The was one of the most powerful samurai families in Japan in the Sengoku period and held domains primarily in the Kantō region. Their last name was simply Hōjō (北条) but in order to differentiate between the earlier Hōjō clan with the s ...

from

Odawara is a city in Kanagawa Prefecture, Japan. , the city had an estimated population of 188,482 and a population density of 1,700 persons per km2. The total area of the city is . Geography Odawara lies in the Ashigara Plains, in the far western por ...

in the late

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 ...

. After the defeat of the Hōjō at the Battle of Odawara, the territory came under the control of

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 fello ...

. It was administered 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 controlled directly by 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 ...

, but administered through 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.'' Howev ...

''. The area prospered 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 character ...

as a post station on the ''Kamakura-kaidō'' and ''Nakahara-kaidō'' highways connecting

Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...

with Kamakura and with the provinces of central Honshu. At times, Seya was administered by

Totsuka-juku was the fifth of the fifty-three stations (''shukuba'') of the Tōkaidō. It was the easternmost post station in Sagami Province. It is now located in Totsuka-ku in the present-day city of Yokohama, Kanagawa Prefecture, Japan. History Because ...

Fujisawa-shuku was the sixth of the fifty-three stations of the Tōkaidō. It is located in the present-day city of Fujisawa, Kanagawa Prefecture, Japan. History Fujisawa-shuku was established as a post station on the Tōkaidō in 1601, but did not become ...

, and towards the

Bakumatsu period was the final years of the Edo period when the Tokugawa shogunate ended. Between 1853 and 1867, Japan ended its isolationist foreign policy known as and changed from a feudal Tokugawa shogunate to the modern empire of the Meiji governm ...

came under the control of the Nirayama ''

daikansho A was the office of a ''daikan'' ( magistrate) during the Edo period (18th & 19th century) of Japanese history. External links Edo period Legal history of Japan {{japan-gov-stub ...

''. 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 ...

, Seya was transferred to the short-lived Nirayama Prefecture, before becoming part of the new

in 1868. In the cadastral reform of April 1, 1889, the area was divided into several villages under Kamakura District. During the

Meiji period The is an era of Japanese history that extended from October 23, 1868 to July 30, 1912. The Meiji era was the first half of the Empire of Japan, when the Japanese people moved from being an isolated feudal society at risk of colonization ...

, the area was a center for

sericulture Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, '' Bombyx mori'' (the caterpillar of the domestic silkmoth) is the most widely used and intensively stud ...

. Seya suffered relatively little damage from the

1923 Great Kantō earthquake The struck the Kantō Plain on the main Japanese island of Honshū at 11:58:44 JST (02:58:44 UTC) on Saturday, September 1, 1923. Varied accounts indicate the duration of the earthquake was between four and ten minutes. Extensive firestorms an ...

, with one fatality and 53 houses destroyed. The

Sagami Railway Main Line 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 The is a railwa ...

connected the area with Yokohama in 1926. On April 1, 1939, Seya was annexed by the neighboring city of Yokohama, becoming part of Totsuka Ward. During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

, Seya hosted numerous military facilities, including munitions plants and training grounds. Seya Station was destroyed in an air strike in January 1945 and the populated areas were destroyed in a

fire-bombing Firebombing is a bombing technique designed to damage a target, generally an urban area, through the use of fire, caused by incendiary devices, rather than from the blast effect of large bombs. In popular usage, any act in which an incendiary d ...

air raid by

USAAF The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...

B-29 Superfortress The Boeing B-29 Superfortress is an American four-engined propeller-driven heavy bomber, designed by Boeing and flown primarily by the United States during World War II and the Korean War. Named in allusion to its predecessor, the B-17 ...

bombers on April 3, 1945. In the post-war period, a

USAF The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...

B-57 Canberra The Martin B-57 Canberra is an American-built, twin-engined tactical bomber and reconnaissance aircraft that entered service with the United States Air Force (USAF) in 1953. The B-57 is a license-built version of the British English Electric ...

bomber based at nearby Atsugi Naval Air Facility crashed on October 27, 1957 with the loss of one civilian on the ground, and on November 27, 1961, an

F8U Crusader The Vought F-8 Crusader (originally F8U) is a single-engine, supersonic, carrier-based air superiority jet aircraft built by Vought for the United States Navy and United States Marine Corps (replacing the Vought F7U Cutlass), and for the French ...

crashed in a residential area. In a major administrative reorganization of October 1, 1969, Totsuka-ku was divided, and Seya emerged as an independent ward within Yokohama.

Economy

Seya Ward is largely a regional commercial center and

bedroom community A commuter town is a populated area that is primarily residential rather than commercial or industrial. Routine travel from home to work and back is called commuting, which is where the term comes from. A commuter town may be called by many o ...

for central Yokohama and Tokyo. The industrial part has access to the Tōmei Highway, and there are a number of newspaper printing plants, chemical plants, and warehouse/transshipment centers. There is some residual agriculture in Seya, primarily livestock.

Transportation

Railroads

** - *The

Tōkaidō Shinkansen The is a Japanese high-speed rail line that is part of the nationwide Shinkansen network. Along with the Sanyo Shinkansen, it forms a continuous high-speed railway through the Taiheiyō Belt, also known as the Tokaido corridor. Opened in 19 ...

and

Tōkaidō Main Line The is a major Japanese railway line of the Japan Railways Group (JR Group) network, connecting and stations. It is long, not counting its many freight feeder lines around the major cities. The high-speed Tōkaidō Shinkansen largely parallel ...

pass through Seya Ward, but without any stations.

Highways

* Route 16 * Route 246

Education

Kanagawa Prefectural Board of Education The is the board of education for Kanagawa Prefecture in Japan. The board consists of six members; one of them is elected as the chair, and one of them is appointed by the board as the superintendent. The board administers municipal education and ...

operates prefectural senior high schools: * * Private secondary school: * operates municipal elementary schools and junior high schools. Junior high schools: *Azumano (東野) *Hara (原) *Minami-seya ( 南瀬谷) *Seya ( 瀬谷) *Shimoseya (下瀬谷) Elementary schools:
From this link
/ref> *Aizawa (相沢) *Akuwa ( 阿久和) *Daimon (大門) *Futatsubashi (二つ橋) *Hara ( 原) *Kami-seya (上瀬谷) *Minami-seya ( 南瀬谷) *Mitsukyō ( 三ツ境) *Seya ( 瀬谷) *Seya-Daini (No. 2) (瀬谷第二) *Seya-Sakura ( 瀬谷さくら) Additionally, Shinbashi Elementary School ( 新橋小学校), outside of Seya-ku, has an attendance zone including parts of Seya-ku.

Noted people from Seya

Kazue Itoh Kazue (written: 一恵, 一枝, 和恵, 和枝, 和永, 良恵 or かずえ in hiragana) is a feminine Japanese given name. Notable people with the name include: *, Japanese actress *, Japanese gymnast *, Japanese swimmer *, Japanese voice actress ...

, actress * Masahiko Kondō, singer, actor *

Yuzo Kurihara is a Japanese former football player who last played for Yokohama F. Marinos. He played for Japan national team. Club career Kurihara was born in Yokohama on 18 September 1983. He joined J1 League club Yokohama F. Marinos from youth team in ...

, professional soccer player * Atsushi Mio, professional soccer player

References

* Kato, Yuzo. ''Yokohama Past and Present''. Yokohama City University (1990).

External links

Seya Ward Office

* {{Authority control Wards of Yokohama