Riidaja
| Riidaja | |
| — Chng-thâu — | |
  Riidaja |
|
| Keng-hūi-tō͘: 58°5′44″N 25°53′45″E / 58.09556°N 25.89583°E | |
| Kok-ka |  Estonia
|
|---|---|
| Koān | Valga |
| Chū-tī-thé | Põdrala Kàu-khu |
| Jîn-kháu | |
| - Lóng-chóng | 192 lâng |
| Sî-khu | EET (UTC 2) |
| - Jo̍at--lâng | EEST (UTC 3) |
Riidaja sī chi̍t ê tī Estonia Kiōng-hô-kok Valga Koān Põdrala Kàu-khu ê chng-thâu (küla).