Blatensko Knezevstvo (833-885) was the slavic duchy located in the western part of the Panonia valley (today Hungary) existing in decades between the annihilation of the Avar Khaganate and the Magyar (Hungarian) conquest in the 9th century.
Blatensko Knezevstvo (833-885) was a Slavic duchy located in the western part of the Pannonian plain, between rivers Danube to its east and north, Drava and Mura to the south and Rab to the west. It existed in the decades between the annihilation of the Avar Khaganate and the Magyar (Hungarian) conquest in the 9th century.