Loyola University Chicago
De Imperatoribus Romanis: Rome and Its Seven Hills
This online map shows Rome, the seven hills, the roads that lead into Rome, and major buildings. Labeled in Latin, but easy to figure out.
Other
Maps of Ancient Rome
This ancient history site features maps of Rome from just the "seven hills" to the entire city plan with the areas labeled in Latin.
University of Calgary
U. Of Calgary: Territorial Expansion of the Roman World
Provides detailed description of the expansion of territory during the Early and Late Roman Republic and then Early and Late Roman Empire. Includes a variety of links to maps displaying the Roman conquests.