Originally Posted by Libertine

Ukraine is the only country of the ones you mentioned that has anything to worry about. One you didn't mention, that should worry as well, is Moldova (which has a situation that has some similarities to the Georgian one, with the Transnistrian region).

The countries that are members of the EU and/or NATO have nothing to worry about. If Russia would invade any of those, it would mean WWIII, with Russia being on the losing side - unless Russia were to use nukes, in which case the entire world would be on the losing side.