the reign of Charlemagne. By that point, Roussillon had been nearly completely depopulated, was not widely cultivated, and land use was very inefficient, which has often been explained by Moorish razzias and Frankish reprisals over a span of forty years.

Pepin reestablished the old Gothic county with its seat at Ruscino. The new count—a Goth—built a castle at their capital: the castrum or castellum Rossilio, by which Ruscino came to be known as Castell-Rosselló. Beginning in 780, Charlemagne