Regions of Peru density is given to one decimal place in persons per square kilometer. UBIGEO numbers are codes used by INEI to identify national administrative subdivisions. Regions of Peru The regions () of Peru are the first-level administrative subdivisions of Peru. Since its 1821 independence, Peru had been divided into departments () but faced the problem of an increasing centralization of political and economic power in its capital, Lima. After several unsuccessful decentralization attempts, the legal figure of "region" became official and regional governments were elected to manage the departments on November 20, 2002, until their planned fusion into real regions. Under
Constituent Congress of Peru, 1822 into departments, provinces and districts. The main task of the legislators, that is drafting the first Constitution of independent Peru and legislative work was hampered by the difficult circumstances that arose in late 1822 and early 1823. There were no resources to pay salaries to military and civilian employees, and around the capital were ravaged by bandits. As for the war against the Spanish who still held out in southern Peru, the Governing Board decided to conduct the military plan of San Martín, to attack the royalists from South intermediate ports. But it needed outside military help. Indeed, it was