The medieval state borders have been a matter of huge debate and will remain so until new historical evidence is found. However there is some factual information. The river Cetina was a major border in the south. The [[Dalmatian Italians#Early History|Roman cities]] of '''Jadera''' (Zara/Zadar), '''Spalatum''' (Spalato/Split), '''Ragusa''' (Dubrovnik) and '''Trau''' (Trogir) with their surrounding areas never became part of the state other than for a short period under Peter Kresimir IV. Other parts of the Dalmatian coast did. In the north the river Sava was a major border (Lower Pannonia). The region south of the river Cetina has been sometimes historically referred to as Red Croatia,<ref>[http://books.google.com.au/books?id=wEF5oN5erE0C&pg=PA62&dq=V.+Klaić+Red+Croatia+John+Fine&hl=en&sa=X&ei=8RbkUN3YJ4iZkAW4lIGIAw&sqi=2&ved=0CDMQ6AEwAA#v=onepage&q=V.%20Klaić%20Red%20Croatia%20John%20Fine&f=false When Ethnicity Did not Matter in the Balkans:] by John Van Antwerp Fine. (p62-p63) | The medieval state borders have been a matter of huge debate and will remain so until new historical evidence is found. However there is some factual information. The river Cetina was a major border in the south. The [[Dalmatian Italians#Early History|Roman cities]] of '''Jadera''' (Zara/Zadar), '''Spalatum''' (Spalato/Split), '''Ragusa''' (Dubrovnik) and '''Trau''' (Trogir) with their surrounding areas never became part of the state other than for a short period under Peter Kresimir IV. Other parts of the Dalmatian coast did. In the north the river Sava was a major border (Lower Pannonia). The region south of the river Cetina has been sometimes historically referred to as Red Croatia,<ref>[http://books.google.com.au/books?id=wEF5oN5erE0C&pg=PA62&dq=V.+Klaić+Red+Croatia+John+Fine&hl=en&sa=X&ei=8RbkUN3YJ4iZkAW4lIGIAw&sqi=2&ved=0CDMQ6AEwAA#v=onepage&q=V.%20Klaić%20Red%20Croatia%20John%20Fine&f=false When Ethnicity Did not Matter in the Balkans:] by John Van Antwerp Fine. (p62-p63) |