The colonisers did not take ethnicities into account when defining boundaries on the AfricanAfrican borders continent. The article examines the problem of correlation of European concepts such as nation and border for Africa on the example of the RepublicRepublic of Congo. For this purpose, the main western theoretical approaches to the concept of “nation” are analysed with the help of secondary sources. The authors examine the historyHistory of the Republic of Congo in order to conclude on the applicability of European theories to African ethnicities. It is claimed that European colonisationColonisation interrupted the process of nation formation in Africa. The authors conclude by suggesting their own ways of addressing these problems in various ways: reformatting stateState borders, integrationIntegration into large economic and political regions, strengthening cooperationCooperation within the African Union, openness of interstate borders and federalisation within African states, maintaining the status quo, despite the costs, while waiting for the gradual formation of a nation in the traditional Western sense.