The 3 arrondissements of the Pyrénées-Atlantiques department are:
The Arrondissement of Bayonne (subprefecture: Bayonne) with 122 communes and a population of 309,392 in 2021. The Arrondissement of Oloron-Sainte-Marie (subprefecture: Oloron-Sainte-Marie) with 155 communes and a population of 71,686 in 2021. The Arrondissement of Pau (prefecture of the Pyrénées-Atlantiques department: Pau) with 269 communes and a population of 311,949 in 2021.
History
In 1800 the arrondissements of Pau, Bayonne, Mauléon, Oloron and Orthez were established. The arrondissements of Mauléon and Orthez were disbanded in 1926.Historique des Pyrénées-Atlantiques
The borders of the arrondissements of Pyrénées-Atlantiques were modified in January 2017: one commune from the arrondissement of Bayonne to the arrondissement of Oloron-Sainte-Marie 11 communes from the arrondissement of Oloron-Sainte-Marie to the arrondissement of Pau 11 communes from the arrondissement of Pau to the arrondissement of Oloron-Sainte-Marie
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