Hercegovina

Etymology
Borrowed from, itself from 🇨🇬, with a Slavic adjectival ending -(o)vina, referring to the medieval duchy of Stjepan Vukčić Kosača, who took the title of Herceg (= Herzog, Duke) of Saint Sava in 1419.

Etymology
Derived from the title, from , plus the Serbo-Croatian suffixes and , thus “Land of the Duke”.