Kolga-Jaani Kàu-khu
| Kolga-Jaani Kàu-khu Kolga-Jaani vald |
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| — Chū-tī-thé — | |||
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| Kok-ka |  Estonia
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| Koān | Viljandi | ||
| Bīn-chek | |||
| - Lóng-chóng | 312.35 km2 | ||
| Jîn-kháu (2009) | |||
| - Lóng-chóng | 1,668 lâng | ||
| Sî-khu | EET (UTC+2) | ||
| - Jo̍at--lâng | EEST (UTC+3) | ||
| Bāng-chām | [1] | ||
Kolga-Jaani Kàu-khu (Estonia-gí: Kolga-Jaani vald) sī Estonia Kiōng-hô-kok Viljandi Koān ê chi̍t ê chng-kha chū-tī-thé.