Serbia is not in Eastern Europe!
Printable View
Ravenna is not in Eastern Europe, at least it wasn't when I bought a pair of red shoes there, neither is Brindisi when I arrived there by boat from Greece. Your knowledge of Geography confirms what many think of the state of education in the United States of America. Then, and now.
Serbia is in Southern Europe, as are the other countries in the Balkans, including Greece. The fact is elementary geography, but we live in a world where people make up their own facts, and/or are completely indifferent to the truth. Maybe because Planet Earth appears to be round, people in these arguments go round and round in circles. In the end there is no actual debate on the issues, just word tennis, without the scores, and not much love.
There are various definitions of subregions within Europe. As there is no clear geographical demarcation, it all comes down to man-made conventions.
https://en.wikipedia.org/wiki/Eastern_Europe
How about I say it's in Southeast Europe, then you two can argue about whether this means it's the Eastern part of Southern Europe or the Southern part of Eastern Europe.