Aki City

Kochi Prefecture · City

Aki City, the center of eastern Kochi Prefecture, is the hometown of Iwasaki Yataro, the founder of Mitsubishi. It is known for Doi Kakuchu, with remaining samurai residences, and the Nora-dokei, a clock tower standing among the fields. Greenhouse eggplant growing is active, and its winter–spring eggplant harvest ranks 1st in Japan.

Key facts

Population: 14,617 1,018th in Japan2025 Census
5-year change: −10.0% 484th in Japanfrom 16,243 in 2020
Area: 317 km² 375th in Japan
Population density: 46 people/km² 1,307th 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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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).

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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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