There is one place named Niaba in Congo.
All places in the world called "Niaba".
Mbaya (6)Mbomo (5)Kongo (4)Yanga (4)Mboma (4)Nkoua (4)Yama (4)Lékana (4)Dzanga (4)Mbaka (4)Bouma (3)Bandza (3)Boko (3)Kindamba (3)Maboko (3)Malima (3)Ndongo (3)Kouni (3)Mpe (3)Ngolé (3)Pangala (3)Boka (3)Kayes (3)Mbama (3)Mboulou (3)Okouma (3)Otala (3)Baya (3)Manda (3)Mpaka (3)