Aidu (Viljandi Koān)
Aidu sī chi̍t ê tī Estonia Kiōng-hô-kok Viljandi Koān Viljandi Kàu-khu ê chng-thâu (küla).
| Aidu | |
| — Chng-thâu — | |
  Aidu |
|
| Keng-hūi-tō͘: 58°14′58″N 25°36′40″E / 58.24944°N 25.61111°E | |
| Kok-ka |  Estonia
|
|---|---|
| Koān | Viljandi |
| Chū-tī-thé | Viljandi Kàu-khu |
| Jîn-kháu | |
| - Lóng-chóng | 76 lâng |
| Sî-khu | EET (UTC+2) |
| - Joa̍h-tang | EEST (UTC+3) |