The Interactive Ancient Mediterranean Project "IAM: an on-line atlas of the ancient Mediterranean world ... " http://iam.classics.unc.edu/

Historic Atlas Resource - Europe Historical and Cultural Atlas Resource http://darkwing.uoregon.edu/~atlas/europe/maps.html

Rome: Map Resources Maps of the Roman Empire http://www.dalton.org/groups/rome/RMAPS.html

The Roman Empire The Roman Empire at its Greatest Extent http://www.acs.ucalgary.ca/~vandersp/Courses/maps/basicmap.html

Ancient Atlas - About.com A collection of annotated links for online maps of the ancient world and from antiquity. http://ancienthistory.about.com/library/bl/bl_maps_index.htm

Classical Atlas Project The Barrington Atlas is a reference work of the ancient Greeks and Romans, the lands they penetrated, and the peoples and cultures they encountered in Europe, North Africa and Western Asia. http://www.unc.edu/depts/cl_atlas/

Perseus Atlas Map server gateway offering browsable maps of named places from the ancient world. Allows overlays of Roman provinces and modern boundaries, and comparisons against modern features and population centers. http://www.perseus.tufts.edu/cgi-bin/patlas

Maps and Codices of the Roman Empire A few maps of parts of Rome and the provinces. With a timeline of the Roman Empire. http://www.jmiller.demon.co.uk/

Histos: Ammianus Marcellinus on the Geography of the Pontus Euxinus Paper by Jan Willem Drijvers of the University of Groningen considering Marcellinus' digression on the Black Sea in the Res Gestae as a literary rather than reference piece. http://www.dur.ac.uk/Classics/histos/1998/drijvers.html