Tosa City

Kochi Prefecture · City

Tosa City spreads along the right bank of the lower Niyodo River and faces the Pacific Ocean to the south. It is known for Tosa buntan citrus, and its winter–spring green pepper ranks 5th in Japan. Kiyotaki-ji and Shoryu-ji are temples of the 88-temple Shikoku Pilgrimage, and the Yokonami Peninsula and the port town of Usa are also highlights.

Key facts

Population: 23,840 835th in Japan2025 Census
5-year change: −7.4% 833rd in Japanfrom 25,732 in 2020
Area: 91.50 km² 1,016th in Japan
Population density: 261 people/km² 725th in Japan

Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.

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Places to visit

Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).

Mountains in this city

Mt. Kokuzo675 m

Mountains whose summit is in this municipality (mountains of 800 m or higher on this site's map, and mountains in the famous-mountain lists). Elevations from Wikidata and other sources.

Neighboring municipalities

Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).

The description was written for this site, picking out representative features.

Figures come from official Japanese statistics (such as the 2025 Census by the Statistics Bureau of Japan), with the source and year shown next to each one. Photos are freely licensed images from Wikimedia Commons; the photographer and license are shown under each photo.

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