Koolma (Ida-Viru Koān)
| Koolma | |
| — Chng-thâu — | |
  Koolma |
|
| Keng-hūi-tō͘: 59°12′45″N 26°56′5″E / 59.21250°N 26.93472°E | |
| Kok-ka |  Estonia
|
|---|---|
| Koān | Ida-Viru |
| Chū-tī-thé | Lüganuse Kàu-khu |
| Jîn-kháu | |
| - Lóng-chóng | 0 lâng |
| Sî-khu | EET (UTC+2) |
| - Joa̍h-tang | EEST (UTC+3) |
Koolma sī chi̍t ê tī Estonia Kiōng-hô-kok Ida-Viru Koān Lüganuse Kàu-khu ê chng-thâu (küla).