There is one place named Douvolo in Congo.
All places in the world called "Douvolo".
Mbaya (6)Mbomo (5)Lékana (4)Dzanga (4)Mbaka (4)Kongo (4)Yanga (4)Mboma (4)Nkoua (4)Yama (4)Koungou (3)Mpasa (3)Ngélé (3)Nkana (3)Okassa (3)Kaye (3)Mobili (3)Nzabi (3)Poto-Poto (3)Yaya (3)Abala (3)Bamba (3)Inga (3)Paka (3)Bango (3)Bonga (3)Ilanga (3)Kouka (3)Lessia (3)Obili (3)