|Elevation||38–130 m (125–427 ft)
(avg. 55 m/180 ft)
|Land area1||12.32 km2 (4.76 sq mi)|
|- Density||2,298 /km2 (5,950 /sq mi)|
|INSEE/Postal code||02722/ 02200|
|1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.|
|2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.|
Soissons is a commune in the Picardy region in the Aisne department in the north of France. Soissons was the capital of France from 486 (the year of the famous vase of Soissons) until about 900. The city's name comes from a Belgic tribe: the Suessiones.