Undama
| Undama | |
| — Chng-thâu — | |
  Undama |
|
| Keng-hūi-tō͘: 58°54′N 22°51′E / 58.900°N 22.850°E | |
| Kok-ka |  Estonia
|
|---|---|
| Koān | Hiiu |
| Chū-tī-thé | Hiiumaa Kàu-khu |
| Jîn-kháu | |
| - Lóng-chóng | 17 lâng |
| Sî-khu | EET (UTC+2) |
| - Jo̍at--lâng | EEST (UTC+3) |
Undama sī chi̍t ê tī Estonia Kiōng-hô-kok Hiiu Koān Hiiumaa Kàu-khu ê chng-thâu (küla).