Geography

See also:

Ancient Atlas - About.com - A collection of annotated links for online maps of the ancient world and from antiquity.
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.
Historic Atlas Resource - Europe - Historical and Cultural Atlas Resource
The Interactive Ancient Mediterranean Project - "IAM: an on-line atlas of the ancient Mediterranean world ... "
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.
The Roman Empire - The Roman Empire at its Greatest Extent
Rome: Map Resources - Maps of the Roman Empire