So in Romania c.1997, we have elements (in descending order of size), of course, Romanians, probably split between a pro-NATO majority and pro-Soviet minority, Soviets, Bulgarians, Turks, Italians, Yugoslavians of various ethnicities and some Americans (probably aligned with CivGov due to their proximity to their CigGov-aligned countrymen across the border in Yugoslavia. That makes for a very interesting and volatile mix.
And don't forget the vampires...