Serbia and Montenegro
Alexander Crownprince of Yugoslavia's birth name is Aleksandar Karadjordjevic.
King Alexander of Yugoslavia's birth name is Karadjordjevic, Alexander.
King Peter II of Yugoslavia's birth name is Petar Karadjordjevic.
Yugoslavia
Alexander I changed the name to Yugoslavia in 1929 while Peter II was the last king
Josip Broz Tito was the leader of Yugoslavia
Bosnia and Herzegovina and Croatia were formerly part of Yugoslavia (full name Socialist Federal Republic of Yugoslavia) until declaring independence in 1992.
Yugoslavia
Yugoslavia
Croatia former Yugoslavia
Former Yugoslavia
Yes it was. Full name was SFR Yugoslavia: S-Socialist F-Federative R-Republic