Download (data, maps)
The Digital Atlas of Roman and Medieval Civilizations (DARMC)
Banco de Datos de la Naturaleza
Great Britain’s geographic data
Free GIS Data this page contains a categorised list of links providing geographic datasets - all ready for loading into a Geographic Information System.
GeoNames is a geographical database that covers all countries and contains over eleven million placenames that are available for download free of charge.
Open data initiative of the Government of Spain
Instituto Nacional de Estadística (INE)
Ministerio para la transición ecológica y el reto demográfico (MITECO).
Pleiades gives scholars, students, and enthusiasts worldwide the ability to use, create, and share historical geographic information about the ancient world in digital form. At present, Pleiades has extensive coverage for the Greek and Roman world, and is expanding into Ancient Near Eastern, Byzantine, Celtic, and Early Medieval geography.
USGS, the U.S. Geological Survey.
Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.