Administrative divisions of Peru nation's capital, is located in this province.) Callao also is its own region, which contains only one province, the Constitutional Province of Callao. Administrative divisions of Peru The administrative divisions of Peru have changed from time to time, since the nation gained independence from Spain in the early 19th century. The old territorial subdivisions have split or merged due to several reasons, the most common ones being the need for decentralization, and population increase, especially in Lima. Peru was divided into 24 departments ("departamentos"; singular: "departamento") until the creation of the regions in 2002. These regions are governed by Regional
Jaén, Peru was 2.3 and its estimated 1999 population was 85,021 inhabitants, with a population density of 139.6 hab/km. Two important features of its population, which is only 30.8% rural and 42.6% under 15 years. By the end of 2012 a population of 170,000 inhabitants was estimated, without including the sector of Fila Alta. Jaén, Peru Jaén is a city which is the capital of the Jaén Province in the Cajamarca Region in Peru, located in the high jungle of northern Peru. It is the seat of the Catholic Apostolic Vicariate of St. Francis Xavier, also known as Apostolic Vicariate of Jaén