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
Maps and Codices of the Roman Empire
A few maps of parts of Rome and the provinces. With a timeline of the Roman Empire.
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 Interactive Ancient Mediterranean Project
"IAM: an on-line atlas of the ancient Mediterranean world ... "
The Roman Empire
The Roman Empire at its Greatest Extent