Kōchi Prefecture

Kōchi Prefecture
高知県
Japanese transcription(s)
  Japanese高知県
  RōmajiKōchi-ken
Shimanto River and Iwama Bridge, famous sights in Shimanto City, Kōchi Prefecture
Anthem: Kōchi kenmin no uta
Coordinates: 33°26′N 133°26′E / 33.433°N 133.433°E / 33.433; 133.433
Country Japan
RegionShikoku
IslandShikoku
CapitalKōchi
SubdivisionsDistricts: 6, Municipalities: 34
Government
  GovernorSeiji Hamada
Area
  Total
7,103.93 km2 (2,742.84 sq mi)
  Rank18th
Population
 (February 1, 2025)
  Total
652,459
  Rank45th
  Density91.9/km2 (238/sq mi)
GDP
  TotalJP¥ 2,465 billion
US$ 22.6 billion (2019)
ISO 3166 codeJP-39
Websitewww.pref.kochi.lg.jp/english/
Symbols of Japan
BirdFairy pitta (Pitta nympha)
FlowerYamamomo (Myrica rubra)
TreeYanase Sugi (Cryptomeria japonica)

Kōchi Prefecture (高知県, Kōchi-ken; Japanese pronunciation: [koꜜː.tɕi, koː.tɕi̥ꜜ.keɴ], locally [koː.tɕi]) is a prefecture of Japan located on the island of Shikoku. Kōchi Prefecture has a population of 669,516 (1 April 2023) and has a geographic area of 7,103 km2 (2,742 sq mi). Kōchi Prefecture borders Ehime Prefecture to the northwest and Tokushima Prefecture to the northeast.

Kōchi is the capital and largest city of Kōchi Prefecture, with other major cities including Nankoku, Shimanto, and Kōnan. Kōchi Prefecture is located on Japan's Pacific coast surrounding a large bay in the south of Shikoku, with the southernmost point of the island located at Cape Ashizuri in Tosashimizu. Kōchi Prefecture is home to Kōchi Castle, considered the most intact Japanese castle, and the Shimanto River, one of the few undammed rivers in Japan.