Chakavian
Chakavian or Čakavian , , ( , proper name: "čakavica" or "čakavština" , own name: "čokovski, čakavski, čekavski") is a dialect of the Serbo-Croatian language spoken by a minority of Croats. It has a low mutual intelligibility with Shtokavian. There is much internal diversity, to the point where intelligibility between the northern and southern varieties of Chakavian is low. All three main Serbo-Croatian dialects are named after their most common word for "what?", which in Čakavian is "ča" or "ca". Chakavian is spoken mainly in the northeastern Adriatic: in Istria, Kvarner Gulf, in most Adriatic islands, and in the interior valley of Gacka, more sporadically in the Dalmatian littoral and central Croatia.
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.