Mont-de-Marsan
Mont-de-Marsan forms, together with Saint-Pierre-du-Mont, the urban area of Mont-de-Marsan with a population of 40,671 inhabitants (2013) and an area of . This urban area is the centre of the metropolitan area of Mont-de-Marsan, formed by 47 communes, with a population of 70,724 inhabitants (2013) and an area of .