Compléter PYRENEESVersion en ligne COUNTIES AND KINGDOMS OF THE PYRINEES par Susana López 1 Charlemagne Pamplona Verdum 843 Muslims Aragón caliphs Arista Navarre 10th Wifredo Galíndez Carolingian Hispanic ORIGIN : The Pyrinees formed part of the Empire after established the March , a defensive frontier region to defend his empire against the . After the division of this empire ( Treaty of , ) , three separate regions developed : NAVARRE : Count Iñigo expelled Frankish troops and became King of . Later , this kingdom expanded southwards and became Kingdom of . ARAGÓN : The counties of , Sobrarbe and Ribagorza broke away from Carolingian control . Count Aznar rose to power in Aragon . CATALAN COUNTIES The Count of Urgell , the Hairy , expanded his territories and won independence form Frankish rule . The catalan counties maintained good relations with the of Córdoba , so it was a period of stability . They consolidated ther independence in the century .