Saint-Quentin is a city in the Aisne department, Hauts-de-France, northern France. It has been identified as the Augusta Veromanduorum of antiquity. It is named after Saint Quentin of Amiens, who is said to have been martyred there in the 3rd century.

Aisne is a French department in the Hauts-de-France region of northern France. It is named after the river Aisne. In 2020, it had a population of 529,374.