The Coelerni were an ancient celtiberian tribe akin to the Lusitanians and Calaicians or Gallaeci, living in the north of modern Portugal, in the province of Trás-os-Montes, in the mountains between the rivers Tua and Sabor. The Celtiberians dwelt in the Iberian Peninsula and spoke a Celtic language. ... The Lusitanians were a tribe, or various tribes, from the western Iberian peninsula, who spoke a Lusitanian language until the conquest of their territory by the Romans. ... Gallaecia or Callaecia was the name of a Roman province that comprised a territory in the north-west of Hispania (approximately the current Galicia of Spain and the north of Portugal). ...