Ôita-kōan (大分県 Ōita-ken?)Ji̍t-pún Kyûsyû ê chi̍t-ê kōan, siú-hú sī Ôita-chhī.

Ôita-koān
大分県
—  koān  —
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Kî-á
Official logo of Ôita-koān
Hui-chiong
Ôita-koān ê uī-tì
Ôita-koān ê uī-tì
Keng-hūi-tō͘: 33°14′17.47″N 131°36′45.38″E / 33.2381861°N 131.6126056°E / 33.2381861; 131.6126056
Kok-ka Ji̍t-pún
Tē-hng Kyûsyû
Tó-sū Kyûsyû
Hú-siâⁿ Ôita
Bīn-chek
 - Lóng-chóng 6,340.73 km2
Jîn-kháu (2019)
 - Lóng-chóng 1,136,245 lâng
 - Bi̍t-tō͘ 179.2/km2
Bāng-chām www.pref.oita.jp