Jugoslavia /ˌjuː.ɡəˈslɑː.vi.ə/ noun1 •(historical) A former country in Southeastern Europe in the Balkans, now split into 6 countries: Bosnia and Herzegovina, Croatia, North Macedonia, Montenegro, Serbia, and Slovenia.This all relates to what happened in the 1990s, in the bloody aftermath of Yugoslavia splintering into separate nations. — 2015