The map describes Germany at the time of the Hohenstaufens, at the beginning of the XIII century. The map is one of the tables made by the TCI Cartographic Office for the Italian Encyclopedia of Giovanni Treccani Institute
<div class="fn value">
TCI Cartographic Office</div>
CC BY-SA 4.0
<bdi><a href="https://en.wikipedia.org/wiki/en:Touring_Club_Italiano" class="extiw" title="w:en:Touring Club Italiano"><span title="large publisher">Touring Club Italiano</span></a>
</bdi>