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 county, counties, several municipality, municip ...
located in
Yamanashi Prefecture
is a prefecture of Japan located in the Chūbu region of Honshu. Yamanashi Prefecture has a population of 787,592 (1 February 2025) and has a geographic area of 4,465 km2 (1,724 sq mi). Yamanashi Prefecture borders Saitama Prefecture to the n ...
,
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 ...
.
As of 1 October 2020, the district has a
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 20,909 with a
density
Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume. The symbol most often used for density is ''ρ'' (the lower case Greek letter rho), although the Latin letter ''D'' (or ''d'') can also be u ...
of 2,386 persons per km
2. The total area is 9.08 km
2.
Municipalities
The district consists of one town:
*
Shōwa
Shōwa most commonly refers to:
* Hirohito (1901–1989), the 124th Emperor of Japan, known posthumously as Emperor Shōwa
** Shōwa era (昭和), the era of Hirohito from 1926 to 1989
* Showa Corporation, a Japanese suspension and shock manufactu ...
;Notes:
History
District Timeline
Nakakoma District was founded from the split of
Koma District during the early
Meiji period
The was 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 colonizatio ...
establishment of the municipalities system on July 22, 1878 and initially consisted of 52 villages.
Recent mergers
*On April 1, 2003 - The towns of
Shirane,
Wakakusa,
Kushigata and
Kōsai, and the villages of
Hatta and
Ashiyasu were merged to form the new city of
Minami-Alps.
*On September 1, 2004 - The towns of
Ryūō
Ryūō (also Ryu-O, Ryu-oh, Ryuuou; in Japanese: 龍王, 竜王, lit. " Dragon King") is an annual Japanese professional shogi tournament and the title of its winner. The current Ryūō title holder is Sōta Fujii.
The Ryūō Tournament (''Ryū ...
and
Shikishima were merged with the town of
Futaba (from
Kitakoma District) to form the new city of
Kai.
*On February 20, 2006 - The towns of
Tamaho and
Tatomi were merged with the village of
Toyotomi
The was a Japanese clan that ruled over the Japanese before the Edo period.
Unity and conflict
The most influential figure within the Toyotomi was Toyotomi Hideyoshi, one of the three "unifiers of Japan". Oda Nobunaga was another primar ...
(from
Higashiyatsushiro District) to form the new city of
Chūō.
References
Districts in Yamanashi Prefecture
{{Yamanashi-geo-stub