Yugoslavia.
Slovenia, Croatia, Bosnia and Herzegovina, Kosovo, Serbia, Montenegro, and Macedonia were once a part of Yugoslavia.
Not united, but a part of a federation.
Yes
Yugoslavia does not exist. Croatia was part of that country.
No, Croatia was never a part of Poland.
Not quite. But Dalmatia is a part of Croatia.
Indonesia
The kingdom of Nubia
No,at that time Croatia was part of the Austrian Empire
The six republics once part of Yugoslavia are Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia, and Slovenia [plus two autonomous areas]. Nationalities: Serb, Croats, Montenegrins, and Bosnians, and Albanians.
NO