Okayama-koān
| Okayama-koān 岡山県 |
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| — koān — | |||
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| Kok-ka | Ji̍t-pún | ||
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| Tē-hng | Tyûgoku | ||
| Tó-sū | Honsyû | ||
| Hú-siâⁿ | Okayama | ||
| Bīn-chek | |||
| - Lóng-chóng | 7,114.50 km2 | ||
| Jîn-kháu (2018) | |||
| - Lóng-chóng | 1,906,464 lâng | ||
| - Bi̍t-tō͘ | 268/km2 | ||
| Bāng-chām | www |
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Okayama-kōan (岡山県 Okayama-ken) sī Ji̍t-pún Honsyû ê chi̍t-ê kōan, siú-hú sī Okayama-chhī.
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