 In 1674, under the terms of the Treaty of Aix-la-Chapelle, the castle of Crotoy was destroyed.Le Crotoy was also famous at the beginning of 20th century in the history of aviation, as the site of the Caudron brothers flying school.Le Crotoy is situated on the D143 and D71 crossroads, on the eastern side of the Baie de Somme, some northwest of Abbeville.