@liberopodcast.com in response to the question on the Q&A pod a shameless plug for my substack on Central European history. Scholar Martyn Rady has a pretty good definition of what Central Europe is here (it includes Germany @rorysmith.bsky.social ) empiresandnations.substack.com/p/the-middle...
empiresandnations.substack.com
The Middle Kingdoms: A New History of Central Europe
The first book you should read on the region