It comprises the northern part of the Istrian peninsula, and it is part of the wider geographical-historical region known as the Slovene Littoral (Primorska).
See koosneb Istria poolsaare põhjaosast ja on osa laiemast ajaloolis-geograafilisest piirkonnast, mida tuntakse Sloveenia Rannikumaana (Primorska).