Built by the Spaniards at the end of the 15th century, the fortress guarded the former frontier between Spain and France.
Catalonia | Principality of Bulgaria | Principality of Ansbach | Polytechnic University of Catalonia | Republican Left of Catalonia | Principality of Lüneburg | Principality of Auersperg | Principality of Polotsk | Principality of Orange | Unified Socialist Party of Catalonia | Principality of Yaroslavl | Principality of Pereyaslavl | Principality of Calenberg | Principality of Lippe | Principality of Grubenhagen | Northern Catalonia | Government of Catalonia | Principality of Sealand | Principality of Piombino | Principality of Kiev | Principality of Catalonia | Principality of Anhalt-Zerbst | Parliament of Catalonia | Initiative for Catalonia Greens | Homage to Catalonia | Generalitat of Catalonia | Principality of Zeta | Principality of Transylvania | Principality of Lichtenberg | Principality of Hungary |
Founded on a treaty of 1113 between the Republic of Pisa and Ramon Berenguer III, Count of Barcelona, the expedition had the support of Pope Paschal II and the participation of many lords of Catalonia and Occitania, as well as contingents from northern and central Italy, Sardinia, and Corsica.
The Albera Range became the border between France and Spain following the Treaty of the Pyrenees, when Philip IV of Spain ceded a part of the Spanish kingdom to Louis XIV of France, dividing Northern Catalonia from Historical Catalonia.