Montenegro

In order to find some info about Yugoslav Metal, check out these magazines:

There is a printed Metal magazine existing, it's called Metal Express and is still the only Metal mag in all former Yugoslav countries. Check out their website / online edition at http://www.rockexpress.org (click on "Metal Express")

And some more Serbian websites about Metal:
Hard & Heavy, http://www.hardandheavy.net: Metal news from Serbia, Montenegro and all over the world, downloads, chat...
Serbian Metal, http://www.serbian-metal.org: Site about Metal bands from Serbia and Montenegro.