Biarritz (fr. Biarritz) – a luxury resort town belonging to the Atlantic Pyrenees Department (Pyrénées-Atlantiques), the New Aquitaine Region in southwestern France. Its current Basque name is Biarritz (or Miarritze), and its current Gascon name is Biàrrits.
The name Biarritz probably comes from the berarr Basque root, replacing belharr, “grass” with the suffix -itz addition and its “grassy place”