I saw this comparison of CK2 and EU4's political maps on the forum

Collections: Teaching Paradox, Europa Universalis IV, Part I: State of Play – A Collection of Unmitigated Pedantry

Europa Universalis 4 - #3756 by Mark_Weston - Games - Quarter To Three Forums

Europa Universalis IV - Gaming - WoTLabs Forum

Liberty and Justice For All

This Is Madness AAR - political map 1444 : r/CrusaderKings

Europa Universalis IV Review

I saw this comparison of CK2 and EU4's political maps on the forum. I really hope Paradox changes EU4's political map. : r/paradoxplaza

Review: Europa Universalis IV – Destructoid

Europa Universalis IV Review

EU4 - Development Diary - 16th of January 2018, Page 20

Europa Universalis IV - Development Diary 3rd of October 2023 - Black & White Sheep // Georgia & Armenia, Page 7

Paradox Grand Strategy: From the Carnival of Lust to the Enlightened Times - The Something Awful Forums