Last reviewed: September 2, 2026
Congo is listed in Middle Africa, within Africa. Its capital is Brazzaville. This page brings together the most commonly needed identifiers and geography facts in one place, with links to related reference lists.
Where is Congo?
For broad geographic classification, Congo is grouped under Africa and the subregion Middle Africa. Regional labels can vary between statistical and geographic organizations, so this site uses one consistent classification for browsing rather than claiming there is only one valid convention.
What are the country codes for Congo?
The ISO-style two-letter code shown on this page is CG, while the three-letter code is COG. Two-letter codes are especially common in software, forms and country-code domains; three-letter codes are useful where a more recognizable abbreviation is preferred. See our country code guide for context.
Borders and nearby geography
Congo has the following land-border entries in our source dataset: Angola, Cameroon, Central African Republic, Democratic Republic of the Congo, Gabon. Island states and countries without a land frontier may show no land borders even though they have maritime neighbors.