The Santerre is a natural region of France, located in the center of the French region of Picardy
Located between Amiens and Saint-Quentin, the Santerre is a territory covering an area of about 3 000 km², including 242 communes and with a population of 106 489 inhabitants. Still covered with forests at the beginning of the Middle Ages, the region has been largely cleaned to make room for agriculture. It was the border of France till 1659, and has been invaded many times during the history of France. In particular, it was a major battleground for the Battle of Somme during the First World War.