Analysis of information sources in references of the Wikipedia article "Lucania" in English language version.
At the end of the twelfth century ... While in Apulia Greeks were in a majority – and indeed present in any numbers at all – only in the Salento peninsula in the extreme south, at the time of the conquest they had an overwhelming preponderance in Lucania and central and southern Calabria, as well as comprising anything up to a third of the population of Sicily, concentrated especially in the north-east of the island, the Val Demone.
