The two traditions, Italo-Greek and Albanian in Italy, were combined into one Church sui iuris today. Historically there was “almost total absorption of the Byzantine faithful into the Latin Church.” (cnewa)
There are parishes which use Albanian and those that do not, in Italy today.**
cnewa.org/default.aspx?ID=57&pagetypeID=9&sitecode=HQ&pageno=1
Italo-Greek:**
The byzantinization of southern Italy began during the reign of Emperor Justinian I (527-565).
Leo the Isaurian (reigned 717-741) took Illyria, Calabria and Sicily from Papal jurisdiction and placed these areas under the authority of the patriarch of Constantinople.
Nilus of Rossano, founded the monastery of Santa Maria di Grottaferrata (near Rome) in 1004.
Norman Conquest:
Conquest of the Abruzzo, 1053–1105
Conquest of Sicily, 1061–1091
Conquest of Amalfi and Salerno, 1073–1077
Byzantine-Norman wars, 1059–1085
Conquest of Naples, 1077–1139
The Italo-Greeks remained under Constantinople’s jurisdiction until the Normans re-established the jurisdiction of the pope in the 11th century. Papal treaties: Treaty of Treaty of Melfi 1059. Treaty of Ceprano 1080.
Italo-Albanian:
The Albanians migrated to Italy after the Council of Florence (1439).
The liturgy is now in Albanian.
Santa Maria di Grottaferrata remains (Italo-Greek).