Oarai Town

Ibaraki Prefecture · Town

Official website Ibaraki Prefecture page

Oarai Town is a port town facing the Pacific Ocean. The Kamiiso no Torii, a shrine gate of Oarai Isosaki Shrine standing on the rocks, is a popular place to see the first sunrise of the year. The town has Aquaworld Ibaraki Prefectural Oarai Aquarium, the ferry terminal of the Port of Oarai, and swimming beaches.

Key facts

Population: 14,444 1,024th in Japan2025 Census
5-year change: −8.1% 720th in Japanfrom 15,715 in 2020
Area: 23.89 km² 1,521st in Japan
Population density: 605 people/km² 475th 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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