Geographic Information System that allows research, either through the most common alphanumeric questionnaire (box with the magnifying glass icon in the upper right corner), or by browsing over a map or satellite image from GoogleMaps. There we find for each listed item a pin with the HPIP logo, but also, for some of the larger urban centers, an overlapping design that highlights the essentials of the primitive urban layout, the defensive structures and / or the positioning of the registered buildings.