The origin, timing and nature of the Slavic migrations remain controversial, however, all available evidence points to the nearby Danubian and Carpathian regions.
However, as early as the 1970s, scholars questioned the reliability of Porphyrogenitus' work, written as it was in the 10th century.
Rather than being an accurate historical account, De administrando imperio more accurately reflects the political situation during the 10th century.
It mainly served as Byzantine propaganda praising Emperor Heraclius for repopulating the Balkans (previously devastated by the Avars) with Croats (and Serbs), who were seen by the Byzantines as tributary peoples living on what had always been 'Roman land'.
) are a nation and South Slavic ethnic group at the crossroads of Central Europe, Southeast Europe, and the Mediterranean.
Croats mainly live in Croatia and Bosnia and Herzegovina, but are an officially recognized minority in Austria, Czech Republic, Hungary, Italy, Montenegro, Romania, Serbia, and Slovakia.
Responding to political, social and economic pressure, many Croats have migrated throughout Europe (especially Germany, Austria, Switzerland, France and Italy) and the Americas (particularly the United States, Canada, Argentina, and Chile), establishing a diaspora.which has been influenced by a number of other neighboring cultures through the ages. The Croatian language is official in Croatia and Bosnia and Herzegovina, as well as in the European Union, and is a recognised minority language within Croatian autochthonous communities and minorities in Montenegro, Austria (Burgenland), Italy (Molise), Romania (Caraşova, Lupac) and Serbia (Vojvodina).Evidence is rather scarce for the period between the 7th and 8th centuries, CE.Archaeological evidence shows population continuity in coastal Dalmatia and Istria.In contrast, much of the Dinaric hinterland appears to have been depopulated, as virtually all hilltop settlements, from Noricum to Dardania, were abandoned (only few appear destroyed) in the early 7th century.Although the dating of the earliest Slavic settlements is still disputed, there is a hiatus of almost a century.