The Republic of the Congo is the country across from Kinshasa

Any school atlas that prints a single label, Congo, is already wrong at the first bend of the river. The Republic of the Congo is the state on the northern shore of the Pool Malebo, and its capital is Brazzaville. Kinshasa, across the water, belongs to somebody else.

From Brazzaville the skyline of another capital is not a metaphor. It is Kinshasa, across the Pool Malebo, close enough that the crossing is a boat ride and still a border. The republic grew out of the French colonial territory on the river. The Democratic Republic grew out of the Belgian one. That split is older than either independence, and it still decides which flag flies over which bank. Brazzaville is not a suburb that history forgot to annex. It is a seat of government.

The river carries both the name and the border

The country covers 342,000 square kilometres and has a population of 6,484,437. Brazzaville is the capital. On land the neighbours are Gabon, Cameroon, the Central African Republic, the Democratic Republic of the Congo, and Angola, whose province of Cabinda meets the coast to the south. Eastward and southward the border is the Congo itself, and for a long stretch the Ubangi as well. What looks on a small map like a compact central African state is in practice a country organised along a bank it does not own alone.

People say Congo-Brazzaville when the short name would send a reader to the wrong capital. The nickname is not in the constitution. It is a practical correction. Mix the two countries up and you mix up the law on the quay, the army at the ferry and the flag over the port. The republic's political point is simple: this bank is a complete state, even though the neighbour is larger and shares the river's name. Folding both into one word erases the only border the water itself draws clearly.

The capital sits on the river, the port sits on the sea

Brazzaville does not face the Atlantic. The republic's coastline is farther west, at Pointe-Noire, and it is not the mouth of the Congo. Cabinda lies between this state and the mouth. The Democratic Republic begins on the other bank. Below the Pool the river breaks into falls, so the ocean cannot be reached by boat from the capital. The country therefore keeps two gates that do not coincide: a river gate opposite Kinshasa, and a sea gate on a short coast that does not deliver the namesake river to the ocean.

The railway from Brazzaville to Pointe-Noire is the land bridge that the falls make necessary. Freight, food and people moving between the capital and overseas traffic use it because the river will not. Offshore oil has added weight to the coastal port without shifting the seat of government. Politics stays on the Pool. The door to the ocean stays on the Atlantic coast. Draw this republic as a mere hinterland of Kinshasa and that second door disappears from the map.

Brazzaville is the capital because the border runs through the river here, not because the sea begins here.

— TerraTally · Countries desk

French in office, Lingala and Kituba in the country

French is the official language. The constitution names Lingala and Kituba beside it as national vehicular languages. Kituba rests on a Kikongo base, which is why the TerraTally country file lists Kikongo rather than Kituba. Statutes, schools and offices run in French. The river, the markets and the road between city and forest run in Lingala and Kituba. The official language holds the administration together. It is not the only voice in the country.

Forest of the Congo Basin covers the north, the coast and the line to Pointe-Noire cover the south, and the capital sits between them on the Pool. The currency is the Central African CFA franc of the Bank of Central African States, shared with neighbours in the same monetary union, Cameroon and Gabon among them. The republic is tied to the river and the large neighbour, to the forest, and to a coast that is not the mouth of the river in its name.

This republic cannot be explained by its neighbour, and it cannot be explained without that neighbour. Brazzaville is the city that keeps the two Congos apart. Pointe-Noire is the proof that this bank has a sea of its own.