Alt Pirineu i Aran

Alt Pirineu i Aran (in Catalan Vegueria de l'Alt Pirineu i Aran) is one of the seven vegueries (territories) defined by the Regional Plan of Catalonia. It is located in the Catalan High Pyrenees (in Catalan Alt Pirineu).

It is formed by six comarques (roughly equivalent to a county): Alt Urgell, Alta Ribagorça, Baixa Cerdanya, Pallars Jussà, Pallars Sobirà and Val d'Aran. Val d'Aran has an autonomous government called Conselh Generau d'Aran.

The veguerie of Alt Pirineu i Aran is the largest territory, with 18% of Catalonia's total surface area, but the one with the least population (69,335 inhabitants), with a density of 12.2 inhabitants/km² (31.5/mi²).

The Veguerie (Vegueria in Catalan) was an important feudal land division in the Principality of Catalonia, the Kingdom of Sardinia, and the Duchy of Athens during the Middle Ages until the Nueva Planta decrees of 1716. It was the primary division of a county in Catalonia and the basic territorial unit of government in Sardinia and Athens after those countries became part of the Crown of Aragon. The office of a veguer was called a vigeriate (Latin: vigeriatus).

In 1936, Catalonia was reconstituted into comarques. Although these were quickly abolished in 1939 they were reconstituted again in 1987. Each comarca was grouped with two to four others into a veguerie, of which there were nine, with their capitals at Barcelona, Girona, Tremp, Vic, Manresa, Lleida, Reus, Tarragona, and Tortosa.

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