Authieule is a small French village, located in the department of Somme and region of Hauts-de-France (formerly Picardie Region). Its inhabitants are called the Authieulois and the Authieuloises. The municipality covers an area of 4.6 km² and 414 inhabitants since the last census of the population dating from 2004. With a density of 90.4 inhabitants per km², Authieule has seen a marked increase of 16.3% of its population compared to 1999. Surrounded by the communes of Amplier, Doullens and Gézaincourt, Authieule is located 3 km southeast of Doullens the largest city in the vicinity. Located at 64 meters altitude, the village of Authieule has as geographical coordinates Latitude: 50 ° 8 ’37 « North.