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.
Serbs of Croatia
Serbian language is officially used in 23 cities and municipalities in Croatia.
In April 2015 United Nations Human Rights Committee has urged Croatia to ensure the right of minorities to use their language and alphabet. Committee report stated that particularly concerns the use of Serbian Cyrillic in the town of Vukovar and municipalities concerned. Serbian Foreign Minister Ivica Dačić said that his country welcomes the UN Human Rights Committee's report.