Carantania
Carantania, also known as Carentania (Slovene: Karantanija, German: Karantanien, in Old Slavic *Korǫtanъ), was a Slavic principality that emerged in the second half of the 7th century, in the territory of present-day southern Austria and north-eastern Slovenia. Since the middle of the 8th century, it was allied with Bavaria against the Avars, and consequently became a vassal state of the Frankish Empire.