Mahajanga I Koān

Mahajanga I sī Madagascar ê chi̍t ê koān, sio̍k tī Boney Khu ē-kha.

Mahajanga I
—  Koān  —
Kok-ka	Madagascar
Khu	Boney
Siú-hú	Mahajanga
Bīn-chek
- Lóng-chóng	53 km2
Jîn-kháu
- Lóng-chóng	135,660 lâng