Tarvastu Kàu-khu
| Tarvastu Kàu-khu Tarvastu 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 | 409 km2 | ||
| Jîn-kháu (2009) | |||
| - Lóng-chóng | 4,216 lâng | ||
| Sî-khu | EET (UTC+2) | ||
| - Joa̍h-tang | EEST (UTC+3) | ||
| Bāng-chām | www.tarvastu.ee | ||
Tarvastu Kàu-khu (Estonia-gí: Tarvastu vald) sī Estonia Kiōng-hô-kok Viljandi Koān ê chi̍t ê chng-kha chū-tī-thé.