For doctors you have 1 places with "Centre hospitalier d'état de ngiri-ngiri" for example.
About town halls, 2 possibilities exist (like "Maison Communale de Ngiri-ngiri", "Maison communale").
The following are the major streets: Lulua, Kenge, Kolas, Rue De Movenda, Rue De La Yolo.
Closest cities