>>A search on news.google.com (1) (search terms: Yugoslavia renamed) reveals several news items - several of them point to a change in name (plus other changes) that occured in February. The new name, according to these news sources, is Serbia and Montenegro. "Serbia" alone would not be correct: it is only one of the two republics that comprise the union.
>
>Is there any abbreviation for that?

SaM?
S&M?

Sorry, couldn't resist. :)