Aquitaine (http://www.crt.cr-aquitai...) also known as "Guyenne" or "Guienne" is an extensive region of south-west France with a long coastline along the Atlantic Ocean Bay of Biscay and a mountainous border with Spain along the Pyrenees Mountains. The French part of Basque Country lies at the south-west end of Aquitaine.
Part of Aquitaine is the region of Les Landes or Landes which is well-known for its beaches, sand dunes and pine forests.
