As far as maps without Ireland go, this was seen at the wall of a school (though Reddit didn't specify which school)
View attachment 883306
Almost lucky that they have placed a few city names there, because without them I might not have suspected this to be a map of Europe.
And come to think of it, if it had been turned 90 degrees and replace Rome with Florida, Reykjavik with Hawaii and Warsaw with Denver it could just as well be an abstract map of North America. Here, I dabbled a bit in Paint:
View attachment 883307
Heck, turning it 90 degress in the other way it then could do as an abstract Great Britain, though i guess I will spare you my crude MSPaint skills in this case.