Byzantine Empire at its height
The Byzantine Empire (red) and its vassals (pink) in 555 CE during the reign of Justinian I.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"640px-Justinian555AD.png."
https://en.wikipedia.org/wiki/File:Justinian555AD.png#/media/File:Justinian555AD.png
Wikipedia
CC BY-SA 3.0.
