Peru Departaments and Capitals - Departaments in Peru

Written and Fact-checked by | Last Updated On: May 27, 2026

Peru is divided into 25 regions or departments (departamentos). Here is a list of the departments in Peru:

Peru is a South American country bordered by Ecuador, Colombia, Brazil, Bolivia, Chile, and the Pacific Ocean. The country is divided into 24 regions and 1 constitutional province for administrative governance. Lima is the national capital and also the largest city in Peru.

The country includes the Andes Mountains, Amazon rainforest, coastal deserts, river valleys, high plateaus, and Pacific coastline stretching across western South America. Different regions are known for mining, agriculture, tourism, fishing, forestry, and ancient cultural heritage.

Key Facts

  • National capital: Lima
  • Total population: 35,000,000 (Official estimate 2025)
  • Total area: 1,285,216 km² (496,225 sq miles)
  • Currency: Peruvian Sol (PEN)
  • Bordering countries: Ecuador, Colombia, Brazil, Bolivia, Chile
  • Total Regions and Constitutional Province: 25
  • Total Provinces: 190+

List of Regions and Capitals of Peru

Total administrative divisions shown: 25 | Combined population: 35,000,000 | Combined area: 1,285,216 km²

#Region / ProvinceCapital CityGeographic RegionArea (km²)Population (Latest Census)
1AmazonasChachapoyasNorthern Highlands39,249430,000
2ÁncashHuarazCentral Andes35,9141,200,000
3ApurímacAbancaySouthern Highlands20,896450,000
4ArequipaArequipaSouthern Coast63,3451,600,000
5AyacuchoAyacuchoSouth-Central Andes43,815700,000
6CajamarcaCajamarcaNorthern Andes33,3181,500,000
7Callao Constitutional ProvinceCallaoPacific Port Region1471,100,000
8CuscoCuscoSouthern Andes71,9861,400,000
9HuancavelicaHuancavelicaCentral Highlands22,131370,000
10HuánucoHuánucoCentral-Eastern Peru36,849900,000
11IcaIcaSouthern Coast21,3281,000,000
12JunínHuancayoCentral Andes44,1971,400,000
13La LibertadTrujilloNorthern Coast25,5002,200,000
14LambayequeChiclayoNorthern Coast14,2311,400,000
15Lima RegionHuachoCentral Coast32,1261,100,000
16Lima Metropolitan AreaLimaCapital Region2,67211,000,000
17LoretoIquitosAmazon Basin368,8521,100,000
18Madre de DiosPuerto MaldonadoAmazon Rainforest85,301180,000
19MoqueguaMoqueguaSouthern Coast15,734210,000
20PascoCerro de PascoCentral Highlands25,320280,000
21PiuraPiuraNorthwestern Coast35,8922,100,000
22PunoPunoAltiplano Region71,9991,300,000
23San MartínMoyobambaAmazon Foothills51,253950,000
24TacnaTacnaSouthern Borderlands16,076390,000
25UcayaliPucallpaEastern Amazon102,410650,000

Largest Regions by Area

  • Loreto - 142,414 sq mi (368,852 km²)
  • Ucayali - 39,541 sq mi (102,410 km²)
  • Madre de Dios - 32,935 sq mi (85,301 km²)
  • Puno - 27,799 sq mi (71,999 km²)
  • Cusco - 27,794 sq mi (71,986 km²)
  • Arequipa - 24,458 sq mi (63,345 km²)
  • San Martín - 19,789 sq mi (51,253 km²)
  • Junín - 17,065 sq mi (44,197 km²)

Most Populous Regions

  • Lima Metropolitan Area - Population: 11,000,000 (Official Estimate 2025)
  • La Libertad - Population: 2,200,000 (Official Estimate 2025)
  • Piura - Population: 2,100,000 (Official Estimate 2025)
  • Arequipa - Population: 1,600,000 (Official Estimate 2025)
  • Cajamarca - Population: 1,500,000 (Official Estimate 2025)
  • Cusco - Population: 1,400,000 (Official Estimate 2025)
  • Junín - Population: 1,400,000 (Official Estimate 2025)
  • Lambayeque - Population: 1,400,000 (Official Estimate 2025)

Smallest Regions by Area

  • Callao Constitutional Province - 57 sq mi (147 km²)
  • Lima Metropolitan Area - 1,032 sq mi (2,672 km²)
  • Lambayeque - 5,495 sq mi (14,231 km²)
  • Moquegua - 6,075 sq mi (15,734 km²)
  • Tacna - 6,207 sq mi (16,076 km²)
  • Apurímac - 8,068 sq mi (20,896 km²)

Administrative Divisions by Geographic Grouping

  • Altiplano Region: Puno
  • Amazon Basin: Loreto
  • Amazon Foothills: San Martín
  • Amazon Rainforest: Madre de Dios
  • Capital Region: Lima Metropolitan Area
  • Central Andes: Áncash, Junín
  • Central Coast: Lima Region
  • Central-Eastern Peru: Huánuco
  • Central Highlands: Huancavelica, Pasco
  • Eastern Amazon: Ucayali
  • Northern Andes: Cajamarca
  • Northern Coast: La Libertad, Lambayeque
  • Northern Highlands: Amazonas
  • Northwestern Coast: Piura
  • Pacific Port Region: Callao Constitutional Province
  • South-Central Andes: Ayacucho
  • Southern Andes: Cusco
  • Southern Borderlands: Tacna
  • Southern Coast: Arequipa, Ica, Moquegua
  • Southern Highlands: Apurímac

Regions with Coastline

  • Arequipa
  • Callao Constitutional Province
  • Ica
  • La Libertad
  • Lambayeque
  • Lima Metropolitan Area
  • Lima Region
  • Moquegua
  • Piura
  • Tacna

Regions Sharing Borders with Other Countries

  • Ecuador: Piura
  • Colombia: Loreto
  • Brazil: Loreto, Madre de Dios, Ucayali
  • Bolivia: Cusco, Madre de Dios, Puno
  • Chile: Tacna

Major Economic Activities by Region

RegionMain Economic ActivityKnown For
Lima Metropolitan AreaFinance and manufacturingNational capital and largest urban area
CuscoTourismMachu Picchu and Inca heritage
ArequipaMining and industryVolcanic landscapes and commerce
PiuraAgriculture and fishingCoastal farming and ports
LoretoForestry and oil productionAmazon rainforest region
La LibertadAgriculture and tradeSugar and export industries

Sources