Loop from Ste Marie through the plain of Moumour

The arrondissement of Oloron-Sainte-Marie is an arrondissement of France in the Pyrénées-Atlantiques department in the Nouvelle-Aquitaine region. It has 155 communes. Its population is 72,504 (2016), and its area is 2,828.2 km2 (1,092.0 sq mi).

The canton of Oloron-Sainte-Marie-1 is an administrative division of the Pyrénées-Atlantiques department, southwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Oloron-Sainte-Marie.It consists of the following communes:

Oloron Cathedral (French: Cathédrale Sainte-Marie d'Oloron-Sainte-Marie), now St. Mary's Church (French: Eglise Sainte-Marie), is a Roman Catholic church and former cathedral located in the town of Oloron-Sainte-Marie, in the Pyrénées-Atlantiques département of France. It is in the Romanesque and Gothic architectural traditions.

The former Roman Catholic Diocese of Oloron was a Latin rite bishopric in Pyrénées-Atlantiques department, Aquitaine region of south-west France, from the 6th to the 19th century.