Macedonia = Greece / Macedonian = Greek which is why Alexander being born in the Greek city of Pella, Macedonia makes him Greek. ;-p
EUGENE BORZA
Our understanding of the Macedonians' emergence into history is confounded by two events: the establishment of the Macedonians as an identifiable ethnic group, and the foundation of their ruling house. The "highlanders" or "Makedones" of the mountainous regions of western Macedonia are derived from northwest Greek stock; they were akin both to those who at an earlier time may have migrated south to become the historical "Dorians", and to other Pindus tribes who were the ancestors of the Epirotes or Molossians. That is, we may suggest that northwest Greece provided a pool of Indo-European speakers of Proto-Greek from which were drawn the tribes who later were known by different names as they established their regional identities in separate parts of the country... First, the matter of the Hellenic origins of the Macedonians: Nicholas Hammond's general conclusion (though not the details of his arguments) that the origin of the Macedonians lies in the pool of proto-Greek speakers who migrated out of the Pindus mountains during the Iron Age, is acceptable. - * Eugene N. Borza, "Makedonika", Regina Books, Claremont CA
N. G. L. Hammond
At the end of the bronze age a residue of Greek tribes stayed behind in Southern Macedonia [...] one of these, the "Makedones" occupied Aegae and expanded into the coastal plain of lower Macedonia which became the Kingdom of Macedon; their descendants were the Macedonians proper of the classical period and they worshipped Greek gods. The other Greek tribes became intermingled in upper Macedonia with Illyrians, Paeonians and Thracians[...] in the early 5th century the royal house of Macedon, the Temenidae was recognized as Greek by the Presidents of the Olympic Games. Their verdict was and is decisive. It is certain that the Kings considered themselves to be of Greek descent from Heracles son of Zeus. "Macedonian" was a strong dialect of very early Greek which was not intelligible to contemporary Greeks. - *Nicholas Geoffrey Lemprière Hammond, "A History of Greece to 323 BC", Cambridge University, 1986 (p 516)
Philip was born a Greek of the most aristocratic, indeed of divine, descent... Philip was both a Greek and a Macedonian, even as Demosthenes was a Greek and an Athenian...The Macedonians over whom Philip was to rule were an outlying family member of the Greek-speaking peoples. - *Nicholas Geoffrey Lemprière Hammond, "Philip of Macedon" Duckworth Publishing, February 1998
As subjects of the king the Upper Macedonians were henceforth on the same footing as the original Macedonians, in that they could qualify for service in the King's Forces and thereby obtain the elite citizenship. At one bound the territory, the population and wealth of the kingdom were doubled. Moreover since the great majority of the new subjects were speakers of the West Greek dialect, the enlarged army was Greek-speaking throughout. - *Nicholas Geoffrey Lemprière Hammond, "Philip of Macedon" Duckworth Publishing, February 1998
The first sentence of the actual Life of Alexander lives up to Plutarch's warning words.'Alexander's descent, as a Heraclid on his father's side from Caranus, and as an Aeacid on his mother's side from Neoptolemus, is one of the matters which have been completely trusted.' While the Heraclid and Aeacid descent went unquestioned by ancient writers, the citation of Caranus as the founding father in Macedonia and so analogous to Neoptolemus in Molossia was not only controversial but must have been known to be controversial by Plutarch. For he was conversant with the histories of Herodotus and Thucydides. which had looked to Perdiccas as the founding father in Macedonia. Caranus was inserted as a forerunner of Perdiccas in Macedonia only at the turn of the fifth century: he appeared as such in the works of fourth-century writers, such as Marsyas the Macedonian historian (FGrH 135/6 i- 14) who on my analysis was used by Pompeius Trogus (Prologue 7 'origines Macedonicae regesque a conditorc gentis Carano'). Thus the dogmatic statement of Plutarch, that Caranus was the forerunner, should have been qualified, if he had been writing scientific history. But because the statement conveyed a belief which Alexander certainly held in his lifetime it was justified in the eyes of a biographer and in the eyes of those who were more concerned with biographical background than with historical facts. If Plutarch had been challenged, he would no doubt have claimed that his belief was based on his own wide reading of authors who had studied the origins of Macedonia and provided 'completely trusted' data. - *Nicholas Geoffrey Lemprière Hammond, "Sources for Alexander the Great: An Analysis of Plutarch's 'Life' and Arrian's 'Anabasis Alexandrou'", p.5, Cambridge Classical Studies
The terms for the Phocians were mild by Greek Standards (one Greek state proposed the execution of all the men) disarmament, division into village-settlements, payment of all indemnity to Apollo and expulsion from the Amphictiony. In their place the Macedonians were elected members. The two votes of Phocis on the council were transferred to the Macedonian state. - *Nicholas Geoffrey Lemprière Hammond, "The Genius of Alexander the Great", p.18, Gerald Duckworth & Co Ltd (November 26, 2004)
The Balkan situation was far from secure, with the Odrysians and Scythians only recently defeated and with the Triballi still defiant. Yet Philip was confident of success in the interest of the Greek-speaking world and of Macedonia in particular. - *Nicholas Geoffrey Lemprière Hammond, "The Genius of Alexander the Great", p.21, Gerald Duckworth & Co Ltd (November 26, 2004)
What language did these Macedones speak? The name itself is Greek in root and in ethnic termination. It probably means highlanders, and it is comparable to Greek tribal names such as `Orestai' and `Oreitai', meaning 'mountain-men'. A reputedly earlier variant,`Maketai', has the same root, which means `high', as in the Greek adjective makednos or the noun mekos. The genealogy of eponymous ancestors which Hesiod recorded […] has a bearing on the question of Greek speech. First, Hesiod made Macedon a brother of Magnes; as we know from inscriptions that the Magnetes spoke the Aeolic dialect of the Greek language, we have a predisposition to suppose that the Macedones spoke the Aeolic dialect. Secondly, Hesiod made Macedon and Magnes first cousins of Hellen's three sons - Dorus, Xouthus, and Aeolus-who were the founders of three dialects of Greek speech, namely Doric, Ionic, and Aeolic. Hesiod would not have recorded this relationship, unless he had believed, probably in the seventh century, that the Macedones were a Greek speaking people. The next evidence comes from Persia. At the turn of the sixth century the Persians described the tribute-paying peoples of their province in Europe, and one of them was the `yauna takabara', which meant `Greeks wearing the hat'. There were Greeks in Greek city-states here and there in the province, but they were of various origins and not distinguished by a common hat. However, the Macedonians wore a distinctive hat, the kausia. We conclude that the Persians believed the Macedonians to be speakers of Greek. Finally, in the latter part of the fifth century a Greek historian, Hellanicus, visited Macedonia and modified Hesiod's genealogy by making Macedon not a cousin, but a son of Aeolus, thus bringing Macedon and his descendants firmly into the Aeolic branch of the Greek-speaking family. Hesiod, Persia, and Hellanicus had no motive for making a false statement about the language of the Macedonians, who were then an obscure and not a powerful people. Their independent testimonies should be accepted as conclusive. - *Nicholas Geoffrey Lemprière Hammond, "The Macedonian State" p.12-13
The toponyms of the Macedonian homeland are the most significant. Nearly all of them are Greek. - *Nicholas Geoffrey Lemprière Hammond, "The Macedonian State" (1989)
Hesiod first mentioned 'Makedon', the eponym of the people and the country, as a son of Zeus, a grandson of Deukalion, and so a first cousin of Aeolus, Dorus, and Xuthus; in other words he considered the 'Makedones' to be an outlying branch of the Greek-speaking tribes, with a distinctive dialect of their own, "Macedonian". -*Nicholas Geoffrey Lemprière Hammond, "Oxford Classical Dictionary", 3rd ed.(1996), pp.904,905
DAVID G. HOGARTH
The king [of macedon] was chief in the first instance of a race of plain-dwellers, who held themselves to be, like him, of Hellenic stock. - * David George Hogarth, "Philip and Alexander of Macedon", p.8
From Alexander I, who rode to the Athenian pickets the night before Plataea and proclaimed himself to the generals their friend and a Greek, down to Amyntas, father of Philip, who joined forces with Lacedaemon in 382, the kings of Macedon bid for Greek support by being more Hellenic than the Hellenes[...] Archelaus patronized Athenian poets and Athenian drama and commissioned Euripides to dramatize the deeds of his Argive ancesto[...] "Macedonia" therefore, throughout historical times until the accession of Philip the Second, presents the spectacle of a nation that was no nation, but a group of discordant units, without community of race, religion, speech or sentiment, resultant from half-accomplished conquest and weak as the several sticks of the ****** in the fable. -* David George Hogarth, "Philip and Alexander of Macedon", pp.9-10
Tradition held the other element