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
Geography of Peru a peace treaty in 1995. Peru fell under Spanish rule in November 1533 after the death of Incan emperor, Atahuallpa. Francisco Pizarro marched to Cusco, the Incan capital to establish Spanish rule. Peru remained under Spanish control until gaining independence on December 9, 1824 after Simon Bolivar Palacios defeated Spanish forces in Ayacucho. Peru is active in a variety of global organizations including the UN, the WTO, the Organization of American States (OAS), APEC, IMF, the World Bank, the Union of South American States (UNASUR), the Forum for East Asia-Latin America Cooperation (FEALAC), Andean Community of States, the Community of