The Republic of the Congo (French: Republique république Du), congo also known As Congo, Republic West, congo Or-Congo, brazzaville is a country located In Central. africahe region was dominated by Bantu-speaking tribes, who built trade links leading into the Congo River basin. Congo-Brazzaville was formerly part of the French colony of Equatorial Africa. Upon independence in 1960, the former colony of French Congo became the Republic of the Congo.