In Peru acute respiratory infections (ARIs) are the number one diseases that causes the most deaths. In this study, the spatial evolution of ARIs among Peruvian children under five years of age in the period of 2011 to 2016 was investigated. By using public data from the National Institute of Statistics and Informatics (INEI) from Peru and a geographic information systems (GIS) software, it was possible to produce two sets of maps. From the first set of maps it was possible to observe that the regions of Arequipa and Piura had witnessed overall a worsening of these conditions. Additionally the region of Lima, where the capital of Peru is located, presented also the highest prevalences of children under five with ARIs. This, due to the high concentration of population in this region. From the second set of maps, produced by using local Moran's index, it was possible to identify hot spots in the northern regions of Peru (Lambayeque and La Libertad). It is suggested that health institutions of Peru use the maps in this study to allocate better their efforts and with the best strategies (e.g., antibiotic treatments, immunizations and improvement of clinical diagnosis) in order to reduce the prevalence of ARIs in these regions and also hinder that ARIs spread to neirghbouring regions.