These map layers provide a detailed representation of archaeological sites from prehistory to the 18th century and enable efficient management of regional preventive archaeology. Archaeological Atlas : These map layers list archaeological sites and discoveries as well as an expansion zone of human settlements around the main remains. Archaeological and Historical Inventory : These map layers present the thematic inventory of a series of sites confirmed by archaeology and historical sources (monasteries, monastic refuges, breweries, cellars…).

The indicative inventory of natural heritage: these various cartographic layers are essential for a comprehensive understanding of natural heritage, allowing authorities and stakeholders to monitor, protect, and promote trees and sites with heritage value (gardens, squares, parks, woods) in the region. The inventory of architectural heritage. The archaeological and historical inventory of the Brussels Region: this group of cartographic layers presents a detailed thematic inventory of archaeological and historical sites in the center of Brussels (Pentagon).