The Belgae were a large confederation of tribes living in northern Gaul, between the English Channel, the west bank of the Rhine, and the northern bank of the river Seine, from at least the third cent
Britain.south.peoples.Ptolemy
According to Strabo: the Belgian tribes (in orange), including the Armoricani (in purple)
Gallia Belgica was a province of the Roman Empire located in the north-eastern part of Roman Gaul, in what is today primarily northern France, Belgium, and Luxembourg, along with parts of the Netherla
Belgae
…from the continent. T. F. O'Rahilly believed that some had moved further west and he equated them with the Fir Bolg in Ireland. The Roman province of Gallia Belgica was named after the continental Belgae. The term continued to be used in the region until the present day and is reflected in the name of the modern…
The Porta Nigra of Trier, capital of Gallia Belgica, constructed between 186 and 200 AD
Representation of the Low Countries as Leo Belgicus by Claes Janszoon Visscher, 1611
'Belgica Foederata' was the Latin name of the Dutch Republic.