Geography

Ancient Atlas - About.com - A collection of annotated links for online maps of the ancient world and from antiquity.
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.
www.unc.edu/depts/cl_atlas/

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

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

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.
www.perseus.tufts.edu/cgi-bin/patlas

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

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