"Soyo"@en . . . . "+1" . "Soyo (formerly known as Santo Ant\u00F3nio do Zaire) is a city located in the province of Zaire in Angola, at the mouth of the Congo river. Soyo recently became the largest oil-producing region in the country, with an estimate of 1,200,000 barrels per day (190,000 m3/d)."@en . "67491"^^ . .