 Basque is a language isolate, not related to any known language.Today, French, the sole official language of the French Republic, is the predominant native language and is spoken by virtually all inhabitants.Pyrénées-Atlantiques is also home to a number of professional sports teams, including rugby union football clubs Aviron Bayonnais, Biarritz Olympique and Section Paloise; basketball club Élan Béarnais Pau-Orthez; and association football club Pau FC.