 Carantania's capital was most likely Karnburg () in the Zollfeld Field (), north of modern-day town of Klagenfurt ().The principality was centered in the area of modern Carinthia, and included territories of modern Styria, most of today's East Tyrol and of the Puster Valley, the Lungau and Ennspongau regions of Salzburg, and parts of southern Upper Austria and Lower Austria.It most probably also included the territory of the modern Slovenian province of Carinthia.