Administrative divisions of Peru
Peru is divided into 26 first-level administrative divisions:
Largest cities in Peru
| # | City | Population |
|---|---|---|
| 1 | LimaCapital | 8,012,000 |
| 2 | Callao | 876,877 |
| 3 | Arequipa | 815,000 |
| 4 | Trujillo | 765,171 |
| 5 | Chiclayo | 596,792 |
| 6 | Iquitos | 458,729 |
| 7 | Huancayo | 412,733 |
| 8 | Piura | 396,932 |
| 9 | Cusco | 361,182 |
| 10 | Chimbote | 349,846 |
Lima is the largest urban area in Peru with about 8,012,000 people.
Terrain, rivers & lakes
Highest terrain in Peru: ≈ 6,407 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
- Santiago
- Ucayali
- Marañón
- Purús
- Madre de Dios
- Amazonas
- Napo
- Juruá
- Tumbes
- Putumayo
- Huallaga
- Javari
- Tambo
- Pisco
- Ocoña
- Santa
🏞️ Lakes
- Lago Titicaca
Ethnic groups in Peru
Mestizo (mixed Indigenous and White) 60.2%, Indigenous 25.8%, White 5.9%, African descent 3.6%, other (includes Chinese and Japanese descent) 1.2%, unspecified 3.3% (2017 est.)
Regionally, Mestizo is the most common ethnic group across most of the 26 divisions, while Indigenous predominates in 5 divisions (Puno, Cusco, Apurímac, Ayacucho, Huancavelica).
Source: CIA World Factbook (2017 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Peru
Catholic 76%, Evangelical Christian 15.7%, no religion 5.1%, other religions 3.2% (2017 est.)
Regionally, Catholic is the most common religious group across most of the 26 divisions.
Source: CIA World Factbook (2017 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Peru
Spanish (official) 82.9%, Quechua (official) 13.6%, Aymara (official) 1.6%, Ashaninka 0.3%, other native languages (includes many minor Amazonian languages) 0.8%, other 0.2%, none 0.1%, unspecified 0.7% (2017 est.)
Regionally, Spanish is the most common language group across most of the 26 divisions, while Quechua predominates in 5 divisions (Apurímac, Huancavelica, Ayacucho, Cusco, Puno).
Source: CIA World Factbook (2017 est.) · 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 2026-10-19. More about our data.