Zachlumia
Zachlumia or Zachumlia (Serbo-Croatian: Zahumlje / Захумље, pronounced [zǎxuːmʎe]), also Hum, was a medieval principality located in the modern-day regions of Herzegovina and southern Dalmatia (today parts of Bosnia and Herzegovina and Croatia, respectively). In some periods it was a fully independent or semi-independent South Slavic principality.