Is known that after the Ottoman ocupation of the NW Greece many Greeks settle in the South Italy in order to avoid the islamitazion from the Turks.
These Greeks mainly were Epirotans but also and Macedonians. The period that started this immigration were after the death of the Georgios Kastriotis. Georgios Kastriotis was knows as Ruler of the Epirus and Albania from some books (16th cen) that published from the Albanian and Epirotans settlers in Italy.
The Greek presence in the South Italy showed from the establishment of many schools and Churches. In 1736 the Ruler of the Neapols Charles C (1716-1788) recognized the Greek infrection in the all sectors (education, religion, people) moved on at the region of the Abruzzo bestowal lands and the creations of College , Church and of a Military Corp. This Corp named as
"Reggimento Reale Macedone" or Royal Regiment of Macedonia.