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