This post feels awfully pedantic. While it may not be clear to non-Americans, when Americans talk about "Europe", they're generally talking about Western Europe, not Eastern, and are excluding the UK too. They almost certainly aren't including Russia. (Just like when Americans talk about Asia, they aren't usually thinking of India.) Of course, that's geographically inaccurate -- but it's what we usually mean. The Eur…
You just proved OP's point. What's "Eastern Europe"? I'm guessing you'd consider anything east of Germany/Austria/Italy to be "Eastern", right? Well, in Poland and the Czech Republic people consider themselves "Central Europe", which makes sense given that geographically Europe extends to the Ural mountains. Don't generalize.
If one goes to one of these countries, one feels like going west. Otherwise, it's less and less.
So when Americans speak about Europe, it's safe to assume that they might refer to these countries.
Rock bands will always have a hard time to tell Bucharest from Budapest.