Chakavian or Čakavian is a South Slavic supradialect or language spoken by Croats along the Adriatic coast, in the historical regions of Dalmatia, Istria, Croatian Littoral and parts of coastal and southern Central Croatia, as well as by the Burgenland Croats as Burgenland Croatian in southeastern Austria, northwestern Hungary and southwestern Slovakia as well as few municipalities in southern Slovenia on the border with Croatia. Wikipedia