is a

city A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agree ...

located in

Okayama Prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,826,059 (1 February 2025) and has a geographic area of 7,114 Square kilometre, km2 (2,746 sq mi). Okayama Prefecture ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. , the city had an estimated

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 43,359 in 18809 households and a

population density Population density (in agriculture: Standing stock (disambiguation), 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 geog ...

of 210 persons per km². The total area of the city is .

Geography

Akaiwa is located in east-central Okayama Prefecture. The Yoshii River, one of the three major rivers in the prefecture, flows through the northeastern part of the city. Although it is located in the northeastern part of the Okayama Plain, most of the city area is hills and forests.

Adjoining municipalities

* Bizen * Kumenan *

Misaki Misaki (, "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-ranking di ...

Okayama is the prefectural capital, capital Cities of Japan, city of Okayama Prefecture in the Chūgoku region of Japan. The Okayama metropolitan area, centered around the city, has the largest urban employment zone in the Chugoku region of western J ...

* Wake

Climate

Akaiwa has a

humid subtropical climate A humid subtropical climate is a subtropical -temperate climate type, characterized by long and hot summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between ...

(

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

''Cfa'') with very warm summers and cool winters. The average annual temperature in Akaiwa is 14.5 °C. The average annual rainfall is 1306 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.3 °C, and lowest in January, at around 3.2 °C.

Demographics

Per Japanese census data, the population of Akaiwa is as follows.

History

The Akaiwa area is part of ancient

Bizen Province was a Provinces of Japan, province of Japan in the area that is eastern Okayama Prefecture in the Chūgoku region of western Japan.Louis-Frédéric, Nussbaum, Louis-Frédéric. (2005). "''Mimasaka no Kuni''" in . Bizen bordered Bitchū Province, ...

and was near the center of political power, as it was the location of the

Bizen Kokubun-ji The was a Buddhist temple located in what is now the city of Akaiwa, Okayama, Japan. It was one of the provincial temples per the system established by Emperor Shōmu during the Nara period (710 – 794) for the purpose of promoting Buddhism ...

. During the

Edo Period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

, it was part of the holdings of

Okayama Domain 270px, Ikeda Akimasa 270px, Auditorium of the Shizutani School 270px, Kōraku-en was a feudal domain under the Tokugawa shogunate of Edo period Japan, in what is now eastern Okayama Prefecture on the island of Honshu. It controlled all of B ...

. Following 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 Imperial House of Japan, imperial rule to Japan in 1868 under Emperor Meiji. Althoug ...

, the area was organized into villages within Akasaka and Iwanashi Districts of Okayama Prefecture with the creation of the modern municipalities system on April 1, 1889. The two districts were merged to form Akaiwa District, Okayama in 1900. The city of Akaiwa was established on March 7, 2005, from the merger of the towns of Akasaka, Kumayama, San'yō and Yoshii (all from Akaiwa District).

Government

Akaiwa has a mayor-council form of government with a directly elected mayor and a

unicameral Unicameralism (from ''uni''- "one" + Latin ''camera'' "chamber") is a type of legislature consisting of one house or assembly that legislates and votes as one. Unicameralism has become an increasingly common type of legislature, making up nearly ...

city council of 18 members. Akaiwa contributes one member to the Okayama Prefectural Assembly. In terms of national politics, the city is part of the Okayama 1st district of the

lower house A lower house is the lower chamber of a bicameral legislature, where the other chamber is the upper house. Although styled as "below" the upper house, in many legislatures worldwide, the lower house has come to wield more power or otherwise e ...

of the

Diet of Japan , transcription_name = ''Kokkai'' , legislature = 215th Session of the National Diet , coa_pic = Flag of Japan.svg , house_type = Bicameral , houses = , foundation=29 November 1890(), leader1_type ...

Economy

Then economy of Akaiwa is primarily based on agriculture and food processing.

Horticulture Horticulture (from ) is the art and science of growing fruits, vegetables, flowers, trees, shrubs and ornamental plants. Horticulture is commonly associated with the more professional and technical aspects of plant cultivation on a smaller and mo ...

, especially then cultivation of peaches and grapes, and production of agricultural machinery are important to then local economy. Akaiwa is one of three remaining places in Japan that produces the

bamboo Bamboos are a diverse group of mostly evergreen perennial plant, perennial flowering plants making up the subfamily (biology), subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family, in th ...

stalk for ''fude''

ink brush A Chinese writing brush () is a paintbrush used as a writing tool in Chinese calligraphy as well as in Japanese, Korean, and Vietnamese which all have roots in Chinese calligraphy. They are also used in Chinese painting and other brush pain ...

es. The harvested bamboo stalks are spread in the dry riverbed of the Yoshii River during the winter to dry under the sun. The stalks are then boiled in the town to remove impurities.竹筆軸：「カラン」と天日干し　岡山の河川敷

Education

Akaiwa has 13 public elementary schools and five public junior high schools operated by the city government, and one public high school operated by the Okayama Prefectural Board of Education. There is also one private combined middle/high school.

Transportation

Railway

JR West , also referred to as , is one of the Japan Railways Group (JR Group) companies and operates in western Honshu. It has its headquarters in Kita-ku, Osaka. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, ...

(JR West) -

San'yō Main Line The is a major railway line owned by JR Group companies in western Japan, connecting Kōbe Station and Moji Station, largely paralleling the coast of the Seto Inland Sea, in other words, the southern coast of western Honshu. The San'yō Shi ...

Highways

San'yō Expressway * *

Local attractions

ruins, National Historic Site * Kumayama ruins, National Historic Site * Ryōgūsan Kofun, National Historic Site

References

External links

* {{Authority control Cities in Okayama Prefecture Akaiwa, Okayama