[Eastern] Europe has little dark sky, but here is a similar source that has global coverage (the advantage of the other is suggested viewing sites, this one is just a map):
"This page was written when I had more free time than I do now. It's far from perfect, and I've been provided with many excellent suggestions for improvements (map coverage of Europe, an Android version for mobile devices, etc.). Sadly, I just don't have the time to implement these suggestions. If you're a web developer with an interest in astronomy, please feel free to contact me ... "
