The original Roman population endured within the coastal cities<ref>[http://books.google.com.au/books?id=4Nv6SPRKqs8C&pg=PA269&dq=Roman+empire+Dalmatia+slavs&hl=en&ei=H6bpTNqiDcyHcZyF9aEK&sa=X&oi=book_result&ct=result&resnum=5&ved=0CDoQ6AEwBA#v=onepage&q=Roman%20empire%20Dalmatia%20slavs&f=false The Illyrians] by John Wilkes (p269)</ref> and in the inhospitable Dinaric Alps (later known as "Morlachs" or Vlachs). | The original Roman population endured within the coastal cities<ref>[http://books.google.com.au/books?id=4Nv6SPRKqs8C&pg=PA269&dq=Roman+empire+Dalmatia+slavs&hl=en&ei=H6bpTNqiDcyHcZyF9aEK&sa=X&oi=book_result&ct=result&resnum=5&ved=0CDoQ6AEwBA#v=onepage&q=Roman%20empire%20Dalmatia%20slavs&f=false The Illyrians] by John Wilkes (p269)</ref> and in the inhospitable Dinaric Alps (later known as "Morlachs" or Vlachs). |