Its existence was characterized by various conflicts and periods of peace or alliance with the Bulgarians, Byzantines, Hungarians, and competition with Venice for control over the eastern Adriatic coast.
Selle olemasolu iseloomustasid erinevad konfliktid ja rahuajad või liidud bulgaarlaste, bütsantslaste, ungarlastega ja konkurents Veneetsiaga kontrolli eest Aadria mere idaranniku üle.