Pyrénées-Orientales, also known as Northern Catalonia, are a department of the region of Occitania, Southern France, adjacent to the northern Spanish frontier and the Mediterranean Sea. It borders the departments of Ariège to the northwest and Aude to the north, the Mediterranean Sea to the east and the Spanish province of Girona in Catalonia to the south and the country of Andorra to the west. It also surrounds the tiny Spanish exclave of Llívia, and thus has two distinct borders with Spain. In 2019, it had a population of 479,979. Some parts of the Pyrénées-Orientales are part of the Iberian Peninsula. It is named after the Pyrenees mountain range.

Ariège is a department in southwestern France, located in the region of Occitanie. It is named after the river Ariège and its capital is Foix. Ariège is known for its rural landscape, with a population of 153,287 as of 2019. Its INSEE and postal code is 09, hence the department's informal name of le zéro neuf. The inhabitants of the department are known as Ariègeois or Ariègeoises.