English: High detailed map showing the Kingdom of Pergamon at it's greatest extent in the year 188 BC. This map is an improved and better visualised version of the map https://commons.wikimedia.org/wiki/File:Asia_Minor_188_BCE.jpg. Sharing the same source of "The Growth of Roman Power in Asia Minor" from The Historical Atlas by William R. Shepherd, 1923. Accessed from the Perry-Castañeda Library. http://www.lib.utexas.edu/maps/historical/shepherd/asia_minor_roman_power.jpg. Location of settlements determined by using the digital atlas of Roman Empire created by Göteborgs Universitet, https://imperium.ahlfeldt.se. Map Collection