|Two countries contain Congo as part of their names:
Republic of the Congo (short: Congo)
the Democratic Republic of the Congo (formerly
The internationally recognized short form for the Republic of
the Congo is Congo.
The Democratic Republic of the Congo
has no internationally recognized short form, and therefore National
Geographic maps generally use the entire name.
In text generally give the full country name in the first reference. Congo
may then be used in subsequent references as long as the meaning is
Be careful not to confuse the Congo River, which may also be
called the Congo, with the countries.
The Congo Basin, the region drained by the Congo River, may be shortened to the Congo.
Congolese is the adjective for both countries, the river, and the region.