Medieval 'Greci' = Albanians and/or Vlachs (?)
1) Euboea is a 'mosaic' of inhabitants
- In the cities of Euboea, and particularly Chalkis, the number of
inhabitants from the West increased, especially with
Venetians and Lombard traders, as well as adventurers, who lived in their own settlements. The period was rocked by constant feuds and claims within the ruling class.
- The city of Negroponte, as Chalkis was then known, was highly multicultural, as were, most likely, Karystos and Oreon, where the local Orthodox population, the Latins, Venetians, Lombards and Jews all co-existed.
Boeotia of the Latins
Following the fall of Constantinople to the Latin crusaders in April 1204, Boeotia, along with Attica formed the Duchy of Athens, was organised along the line of the feudal system.
The Latin element was mostly concentrated around Athens and Thebes, while the Duchy underwent constant changes of overlords:
the Burgundy family of de la Roche,
the mercenary Catalan Company, and finally,
the Florentine Acciaiuoli family.
The military nature of the new administration is visible,
even to the present day, in the Boeotian landscape in the scattered forts of the Latin lords and their powerful castles. There are the symbols of the great and lesser overlords, places of residence and power, places where political decisions were taken.
An example of a castle town is Livadeia, where the Catalans, after 1311, when they took power, they gave the city's castle its current appearance.
Franks, Venetians and Catalans in central Greece
https://www.medievalroutes.gr/en/digital-exhibits/franks-venetians-and-catalans-in-central-greece/
(local Orthodox population = Greek Orthodox Toskh Albanians and Greco-Vlachs)
2) David George Hogarth (page 153, "The Nearer East"):
"Boeotia, with Euboea, is largely in the hands of Toskh Albanians..."
3) Demetrios Paschalis noted in his study of the Albanian population of the Cyclades, that
they migrated from Karystos on Euboea to Andros at the request of the ruler of the latter island, P. Andrea Zeno (1384-1427) who gave them land because he needed them as farmers and to defend the island. Apostolos Vakalopoulos, however, holds the view that the Albanians settled on this island in the last quarter of the 16th century. Mbiris, on the other hand, dates their arrival to the 17th century on the basis of travel reports. The problem has been resolved by a document dating from the year 1521 in which the
‘Greci’ (= Albanians) of Andros reached an agreement with the ruler of Contessa Entellina in Sicily about the conditions for their resettlement there. Here is part of the document:
"18 settembre, X ind. 1521
Sagali Curbi senior, Antoninus Lopes, Dimitri Serveja, Petrus Lopis, Ioannes Curbi, Michael Musacchi, Nicolaus Gerginus, Teodorus Nicolosi, Ioannes Petta, Petrus Musacchi, Sagali Curbi junior, Georgius Lopis, Angelus Petta junior, Nicolaus Lala, Petrus Lopis minor, Georgius Lopis, Thomas Manali, Dimitri Curbi, Ioannes Custagliorsi,
Greci (sic) venientes ab Insula Andriae, partim orientis, presentes coram nobis… Antoninus et consortes,
Greci orientales fugientes a dicta Insula, a manibus e servitute Mororum, quibus erant subditi, non volentes sufferre eorum dominium, navigaverunt Siciliam versus…; quod etiam praetendebant accedere ad habitandum casale Comitisse…"
http://www.albanianhistory.net/1971_Jochalas/index.html
The Catalans hoped to profit from the presence of the Albanians, who were good warriors and particularly well known as horsemen. It seems to be the case that the Albanians were permitted to settle in the Duchy of Neopatria and in the northern part of the Duchy of Athens. From another document we learn that in 1350, the Catalans and the Albanians jointly attacked Pteleon, a Venetian military base at the entrance to the Gulf of Pagasitiko:
"1350 die XIV marcii
Capta:
Ad factum damnorum illatorum per illos de Compagna et Albanenses nostris fidelibus Phetelei, rescribatur eis (al bailo, cioè, e ai consiglieri di Eubea) quo gravamur et turbamus de damnis premissis…"