- 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
- 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.
- Rome: Map Resources - Maps of the Roman Empire
- 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