adriatic sea ancient rome aquileia austrian empire bavaria black sea buje buzet chakavian dialect croatia croatian democratic union croatian language croats cultural suppression dalmatia dante alighieri danube de facto dragonja european union fascism foibe massacres geographic coordinate system german language gorizia goths greek language gulf of trieste holy roman empire ideology illyria irredentism istria county istrian democratic assembly istrian exodus istriot language istro-romanians italian language italianization italians italy izola jurisdiction katun kingdom of italy koper kras labin liburnia lombards march of istria merano mirna montenegrin morlachs motovun muggia nationalism ottoman empire pazin peroj piran pula region republic of venice romanian language rovinj san dorligo della valle schengen agreement slovene language slovenes slovenia social democratic party of croatia socialist federal republic of yugoslavia socialist republic of croatia socialist republic of slovenia strabo tigr treaty of campo formio tribe trieste unesco umag venetian language venice vlachs western roman empire wikimedia commons world war i world war ii zagreb