Kajkavian is a South Slavic supradialect or language spoken primarily by Croats in much of Central Croatia and Gorski Kotar.
Bilingual Kajkavian/German street sign in Zagreb: Kamenita Vulicza / Stein Gasse
A picture of the 1850 edition of the Kajkavian periodical Danica zagrebečka
The South Slavic languages are one of three branches of the Slavic languages. There are approximately 30 million speakers, mainly in the Balkans. These are separated geographically from speakers of the other two Slavic branches by a belt of German, Hungarian and Romanian speakers.
Prekmurje dialect Lutheran New Testament, the Nouvi Zákon, in the 18th-century