Administrative divisions of Republic of the Congo
The Republic of the Congo is divided into 12 first-level administrative divisions:
Largest cities in Republic of the Congo
| # | City | Population |
|---|---|---|
| 1 | BrazzavilleCapital | 1,982,000 |
| 2 | Pointe-Noire | 1,032,000 |
| 3 | Dolisie | 121,000 |
| 4 | Nkayi | 103,000 |
| 5 | Kayes | 58,737 |
| 6 | Impfondo | 48,939 |
| 7 | Ouesso | 40,667 |
| 8 | Owando | 35,698 |
| 9 | Sibiti | 33,122 |
| 10 | Loutété | 27,726 |
Brazzaville is the largest city in the Republic of the Congo with about 1,982,000 people. All 22 largest cities of Republic of the Congo →
Terrain, rivers & lakes
Highest terrain in the Republic of the Congo: ≈ 1,020 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.
🌊 Rivers
- Kadéï
- Sangha
- Aïna
- Congo
- Ubangi
- Ogooué
- Niari
- Alima
- Ngounie
- Dja
- Kouilou
🏞️ Lakes
No major lakes at this scale.
Ethnic groups in Republic of the Congo
Kongo (Bakongo) 40.5%, Teke 16.9%, Mbochi 13.1%, foreigner 8.2%, Sangha 5.6%, Mbere/Mbeti/Kele 4.4%, Punu 4.3%, Pygmy 1.6%, Oubanguiens 1.6%, Duma 1.5%, Makaa 1.3%, other and unspecified 1% (2014-15 est.)
Regionally, Kongo is the most common ethnic group across most of the 12 divisions, while Teke predominates in 2 divisions (Plateaux, Lékoumou); Mbochi predominates in 1 division (Cuvette); Mbere/Mbeti/Kele predominates in 1 division (Cuvette-Ouest); Sangha predominates in 1 division (Sangha).
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Religions in Republic of the Congo
Roman Catholic 33.1%, Awakening Churches/Christian Revival 22.3%, Protestant 19.9%, Salutiste 2.2%, Muslim 1.6%, Kimbanguist 1.5%, other 8.1%, none 11.3% (2007 est.)
Regionally, Roman Catholic is the most common religious group across most of the 12 divisions.
Source: CIA World Factbook (2007 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Republic of the Congo
French (official), French Lingala and Monokutuba (trade languages), many local languages and dialects (of which Kikongo is the most widespread)
Regionally, Kikongo is the most common language group across most of the 12 divisions, while Lingala predominates in 6 divisions (Likouala, Cuvette, Cuvette-Ouest, Sangha, Plateaux, Brazzaville).
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Explore more
Sources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-20. More about our data.