Chakavian
Chakavian in its actual use is the least spoken Serbo-Croatian dialect, being spoken only by 12% Croats. It is now mostly reduced in southwestern Croatia along the eastern Adriatic: Adriatic islands, and sporadically in the mainland coast, with rare inland enclaves up to central Croatia, and minor enclaves in Austria and Montenegro. All areas of old contacts with Romance languages.
Slovene Istria
According to the 2002 census, Slovene is spoken as the first language by 70.2% of the inhabitants of Slovenian Istria, Italian by 3.3%, and various forms of Serbo-Croatian, dominated by Croatian, by 16% of the population. The highest percentage of Italian speakers is in the municipality of Piran (7%), while the highest percentage of Croatian speakers is in Izola (31%). General population polls have shown that the majority of the population in Slovenian Istria conversational in several languages: Slovene, Italian, Croatian and English.