tal ) ; English : Eastern Pyrenees ; Catalan : Pirineus Orientals ; Occitan : Pirenèus Orientals ) is a department of southern France adjacent to the northern Spanish frontier and the Mediterranean Sea .
Pyrénées-Orientales ( English : Eastern Pyrenees ; Catalan : Pirineus Orientals ; Occitan : Pirenèus Orientals ) is a department in the region of Languedoc-Roussillon in southern France ; it is next to the northern Spanish border and the Mediterranean Sea .