Vervins is a commune in the Aisne department in Hauts-de-France in northern France. It is a subprefecture of the department. It lies between the small streams Vilpion and Chertemps, which drain towards the Serre. It is surrounded by the communes of Fontaine-lès-Vervins, La Bouteille, Landouzy-la-Cour, Thenailles, Hary, Gercy, and Voulpaix. Vervins was mentioned as Verbinum in the 3rd century Antonine Itinerary. A Roman theatre has been excavated in the 1870s.