
is a
prefecture
A prefecture (from the Latin word, "''praefectura"'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain inter ...
of
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 ...
located in the
Chūbu region
The , Central region, or is a region in the middle of Honshū, Japan's main island. In a wide, classical definition, it encompasses nine prefectures (''ken''): Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, and Ya ...
of
Honshu
, historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the list of islands by area, seventh-largest island in the world, and the list of islands by ...
. Toyama Prefecture has a population of 993,848 (1 January 2025) and has a geographic area of 4,247.61
km2 (1,640.01
sq mi). Toyama Prefecture borders
Ishikawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu island. Ishikawa Prefecture has a population of 1,096,721 (1 January 2025) and has a geographic area of 4,186 Square kilometre, km2 (1,616 sq mi). Ishikawa Pr ...
to the west,
Gifu Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Gifu Prefecture has a population of 1,910,511 () and has a geographic area of . Gifu Prefecture borders Toyama Prefecture to the north; Ishikawa Prefecture ...
to the south,
Nagano Prefecture
is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Nagano Prefecture has a population of 2,007,682 () and has a geographic area of . Nagano Prefecture borders Niigata Prefecture ...
to the east, and
Niigata Prefecture to the northeast.
Toyama is the capital and largest city of Toyama Prefecture, with other major cities including
Takaoka,
Imizu, and
Nanto. Toyama Prefecture is part of the historic
Hokuriku region
The is located in the northwestern part of Honshu, the main island of Japan. It lies along the Sea of Japan and is part of the larger Chūbu region. It is almost equivalent to the former Koshi Province (Japan), Koshi Province and Hokurikudō are ...
, and the majority of the prefecture's population lives on
Toyama Bay, one of the largest
bays in Japan. Toyama Prefecture is the leading
industrial prefecture on the
Japan Sea coast and has the advantage of cheap
electricity
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwel ...
from abundant
hydroelectric
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
resources. Toyama Prefecture contains the only known
glacier
A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
s in
East Asia
East Asia is a geocultural region of Asia. It includes China, Japan, Mongolia, North Korea, South Korea, and Taiwan, plus two special administrative regions of China, Hong Kong and Macau. The economies of Economy of China, China, Economy of Ja ...
outside of
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
, first recognized in 2012, and 30% of the prefecture's area is designated as
national park
A national park is a nature park designated for conservation (ethic), conservation purposes because of unparalleled national natural, historic, or cultural significance. It is an area of natural, semi-natural, or developed land that is protecte ...
s.
History
Historically, Toyama Prefecture was
Etchū Province. Following the
abolition of the han system in 1871, Etchū Province was renamed ''Niikawa Prefecture'', but
Imizu District was given to
Nanao Prefecture. In 1872 Imizu District was returned by the new
Ishikawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu island. Ishikawa Prefecture has a population of 1,096,721 (1 January 2025) and has a geographic area of 4,186 Square kilometre, km2 (1,616 sq mi). Ishikawa Pr ...
.
In 1876, Niikawa Prefecture was merged into Ishikawa Prefecture but the merger was void in 1881 and the area was re-established as Toyama Prefecture.
The
Itai-itai disease occurred in Toyama around 1950.
Geography
Toyama Prefecture is bordered by
Ishikawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu island. Ishikawa Prefecture has a population of 1,096,721 (1 January 2025) and has a geographic area of 4,186 Square kilometre, km2 (1,616 sq mi). Ishikawa Pr ...
to the west,
Niigata to the northeast,
Nagano to the southeast,
Gifu
is a Cities of Japan, city located in the south-central portion of Gifu Prefecture, Japan, and serves as the prefectural capital. The city has played an important role in Japan's history because of its location in the middle of the country. Durin ...
to the south and
Sea of Japan
The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it ...
to the north.
As of April 1, 2012, 30% of the total land area of the prefecture was designated as
Natural Parks, namely the
Chūbu-Sangaku and
Hakusan National Parks;
Noto Hantō Quasi-National Park; and six Prefectural Natural Parks.
Municipalities
Due to the mergers in the 2000s, Toyama has the fewest municipalities of any prefecture in Japan with 10 cities, 2 districts, 4 towns, and 1 village (before the mergers took place, the prefecture had 9 cities, 18 towns, and 8 villages).
Mergers
List of governors of Toyama Prefecture (1947–present)
* Tetsuji Tachi (館 哲二) (19 April 1947 to 15 November 1947)
* Takekuni Takatsuji (高辻 武邦) (16 November 1947 to 30 September 1956)
* Minoru Yoshida (吉田 実) (1 October 1956 to 1 December 1969)
* Kōkichi Nakata (中田 幸吉) (30 December 1969 to 18 September 1980)
* Yutaka Nakaoki (中沖 豊) (11 November 1980 to 8 November 2004)
*
Takakazu Ishii (石井 隆一) (9 November 2004 to 8 November 2020)
*
Hachirō Nitta (新田 八朗) (9 November 2020 to present)
Economy
Agriculture
In 2014 Toyama contributed approximately 2.5% of Japan's rice production and
makes use of abundant water sources originating from
Mount Tate. It also has many fisheries along its Sea of Japan coastline.
Manufacturing
Toyama is famous for its historical pharmaceutical industry which remains a top manufacturing industry in the prefecture in terms of manufacturing shipment value followed by electronic parts and devices (
industrial robots, general machinery, etc.), and metal products (aluminum, copper etc.) manufacturing.
Energy
Kurobe Dam generates electricity for the
Kansai Electric Power Company
, also known as , is an electric utility with its operational area of Kansai region, Japan (including the Keihanshin megalopolis).
The Kansai region is Japan's second-largest industrial area, and in normal times, its most nuclear-reliant. Bef ...
. It is located on the
Kurobe River in Toyama Prefecture.
Demographics

Per Japanese census data, the population of Toyama has been relatively stable since 1950.
Transportation
Rail
*
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, ...
**
Hokuriku Shinkansen (
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
to
Tsuruga via
Kurobe,
Toyama City and
Takaoka)
**
Takayama Main Line (
Inotani to
Toyama City)
**
Himi Line
**
Jōhana Line
*
JR Central
**
Takayama Main Line (
Gifu
is a Cities of Japan, city located in the south-central portion of Gifu Prefecture, Japan, and serves as the prefectural capital. The city has played an important role in Japan's history because of its location in the middle of the country. Durin ...
to
Inotani)
*
Ainokaze Toyama Railway (
Kurikara, Ishikawa to
Ichiburi, Niigata via
Takaoka and
Toyama City)
*
Manyōsen (
Third-sector tram
A tram (also known as a streetcar or trolley in Canada and the United States) is an urban rail transit in which Rolling stock, vehicles, whether individual railcars or multiple-unit trains, run on tramway tracks on urban public streets; some ...
system in
Takaoka)
**
Shinminatokō Line
**
Takaoka Kidō Line
*
Toyama Chihō Railway
**
Main Line
**
Tateyama Line
**
Fujikoshi Line
**
Kamidaki Line
**
Toyama City Tram
Expressway
*
Hokuriku Expressway
*
Nōetsu Expressway
*
Tōkai-Hokuriku Expressway
Air
*
Toyama Airport (TOY)
Domestic
*
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
: 1 hr
*
Sapporo
is a Cities designated by government ordinance of Japan, designated city in Hokkaido, Japan. Located in the southwest of Hokkaido, it lies within the alluvial fan of the Toyohira River, a tributary of the Ishikari River. Sapporo is the capital ...
: 1 hr 20 min
International
*
Dalian
Dalian ( ) is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China (after Shenyang ...
: 2 hr 30 min via
China Southern Airlines
China Southern Airlines (branded as China Southern) is a major airline in China, headquartered in Guangzhou, Guangdong. It is one of the three major airlines in the country, along with Air China and China Eastern Airlines.
Established on 1 ...
*
Shanghai
Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...
: 2 hr 30 min via
Shanghai Airlines
Culture
Tourist sites
*
Tateyama Kurobe Alpine Route
*
Kurobe Gorge Railway
*
Unazuki Onsen
*
Gokayama (UNESCO World Heritage Site)
*Mitsui Outlet Park, Hokuriku Oyabe
UNESCO World Heritage Cultural Sites
*
Gokayama Historical Village (
Nanto City)
National Treasures of Japan
*
Zuiryū-ji Temple (
Takaoka City)
Festivals
Spring

*All Japan
Chindon Competition (
Toyama City (
Toyama Castle
Toyama Castle moat
is a flatland-style Japanese castle located in the city of Toyama, Toyama Prefecture, in the Hokuriku region of Japan. It is also called Azumi Castle (安住城 ''Azumi-jō''). Built in 1543, the castle and its surrounding ...
Park), Mid April
*Tonami Tulip Fair (
Tonami City), May
*Marumage Festival (
Himi City), May 17
Summer
*Sassa Narimasa Sengoku Era Festival (
Toyama City), Late July
*Japan Wildlife Film Festival (Toyama Prefecture), Early August
Fall
*Toyama Festival (
Toyama City), Sept. 1
*
Owara Kaze no Bon (
Toyama City (
Yatsuo Area)), Sept. 1–3
Winter
*Nanto Toga Soba Festival (
Nanto City (
Toga Village Area)), Mid Feb.
Regional foods
*Trout Sushi (''
Masuzushi'')
*White Shrimp (''Shiro Ebi'')
*Matured Yellow Tail (''Buri'')
*Firefly Squid (''Hotaru Ika'')
*Fish Paste (''
Kamaboko
is a type of Curing (chemistry), cured , a processed seafood product common in Japanese cuisine. It was initially made in the year 1115.
Production and uses
is made by forming various Purée, pureed deboned whitefish (fisheries term), whit ...
'')
Regional sake
*Tateyama (立山)
*Narimasa (成政)
*Masuizumi (満寿泉)
*Sanshoraku (三笑楽)
Sports

The sports teams listed below are based in Toyama.
Football
*
Kataller Toyama (
Toyama City)
Basketball
*
Toyama Grouses
The Toyama Grouses (富山グラウジーズ,''Toyama Guraujīzu'') are a Japanese basketball team, playing in the second division of the B.League. They are based in Toyama Prefecture.
Head coaches
*Masato Fukushima
*Takatoshi Ishibashi
*Charle ...
(
Toyama City)
Baseball
*
Toyama Thunderbirds (
Toyama City)
Rugby Union
*
Takaoka Mariners (
Takaoka)
International relations
*
Liaoning Province, since May 9, 1984
*
São Paulo State, since July 18, 1985
*
Oregon State, since October 19, 1991
*
Primorsky Region, since August 26, 1992
*
Basel-Stadt, since October 26, 2009
*
Andhra Pradesh State, since December 29, 2015
Notes
References
* Nussbaum, Louis-Frédéric and Käthe Roth. (2005)
''Japan encyclopedia.''Cambridge:
Harvard University Press
Harvard University Press (HUP) is an academic publishing house established on January 13, 1913, as a division of Harvard University. It is a member of the Association of University Presses. Its director since 2017 is George Andreou.
The pres ...
.
OCLC 58053128* Prefecture, N. (2022). Toyama Prefecture- The East Asia Local and Regional Government Congress. Retrieved 1 July 2022, from https://www3.pref.nara.jp/eastasia_e/1080.html
* McClean, C. (2022). 10 Fun Facts About Toyama Prefecture, Japan - Multicultural Kid Blogs. Retrieved 1 July 2022, from
https://multiculturalkidblogs.com/2021/11/15/toyama-prefecture/
External links
National Archives of Japan Toyama Map (1891)
{{Authority control
Chūbu region
Prefectures of Japan
Hokuriku region