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