Coordinates: 49°34′17″N 3°08′39″E / 49.5714°N 3.1442°E / 49.5714; 3.1442
Quierzy (also known as Quierzy-sur-Oise) is a commune in the Aisne department in Picardy in northern France, straddling the Oise River between Noyon and Chauny.
Read more about Quierzy: History, Geography, Population