That's cute. It is clear thats an outdated political organization and not geographical. Read at the groupings. Greece is more eastern than Albania (and it is one hour off timezone), and it says 'western' which is not the case by any geographic means.

https://www.researchgate.net/publication/382295560/figure/fi...

https://www.worldatlas.com/r/w960-q80/upload/03/90/9b/countr...

Albania is clearly south east europe.

And, I don't care about your random Romanian friend's anecdote.