Uderna
Uderna sī chi̍t ê tī Estonia Kiōng-hô-kok Tartu Koān Elva Kàu-khu ê chng-thâu (küla).
| Uderna | |
| — Chng-thâu — | |
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  Uderna |
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| Keng-hūi-tō͘: 58°11′12″N 26°23′30″E / 58.18667°N 26.39167°E | |
| Kok-ka |  Estonia
|
|---|---|
| Koān | Tartu |
| Chū-tī-thé | Elva Kàu-khu |
| Jîn-kháu | |
| - Lóng-chóng | 70 lâng |
| Sî-khu | EET (UTC+2) |
| - Jo̍at--lâng | EEST (UTC+3) |
