Aubin is located some 35 km east by south-east of Orthez and 20 km north of Pau. The A65 autoroute passes through the commune but there is no exit in or near the commune with the nearest exit being Exit 9 south of Lalonquette or the beginning of the motorway just north of Lescar. Access to the commune is by the D210 road from Bournos in the east which goes to the village. The D216 from Sauvagnon in the south-east passes through the south of the commune on its way to Momas in the north-west. Country roads are also available to access the commune. There are some scattered forests in the commune but most of it is farmland. The Luy de Bearn forms the south-western border of the commune as it flows north-west to join the Luy de France near Vieux-Bourg to become the Luy. The Aubiosse river flows through the south of the commune from east to west and joins the Luy de Béarn south-west of the commune. The Gez river forms the north-eastern border of the commune as it flows north-west to join the Luy de Béarn.
The commune name in béarnais is Aubin. Michel Grosclaude proposed an etymology of the Latin man's name Albius with the suffix -inum, the whole meaning "Domain of Albius". The following table details the origins of the commune name:
Raymond: , 1863, on the page numbers indicated in the table.
Grosclaude:Toponymic Dictionary of communes, Béarn, 2006
Origins:
Lescar: Cartulary of Lescar
Fors de Béarn
Census: Census of Béarn
History
The village is first mentioned in 1101 as Sanctus-Genumer-de-Albii. At the start of the 11th century, the village and its church were given to the Bishop of Lescar by the wife of Viscount Centulle III. Paul Raymond noted on page 16 of the 1863 dictionary that in 1385 Aubin had 17 fires and depended on the bailiwick of Pau. Bournos was also annexed to the parish of Aubin, the former archpriest of the Diocese of Lescar.
the inter-communal association of Aubin-Doumy-Bournos.
Demography
In 2010 the commune had 261 inhabitants. The evolution of the number of inhabitants is known from the population censuses conducted in the commune since 1793. From the 21st century, a census of communes with fewer than 10,000 inhabitants is held every five years, unlike larger towns that have a sample survey every year.
Culture and heritage
Civil heritage
The commune has a number of buildings and structures that are registered as historical monuments:
A Farmhouse at Cambatu
Houses and Farms
A Fortified Complex named Castetbielh - https://web.archive.org/web/20170205013449/http://visites.aquitaine.fr/ensemble-fortifie-castetbielh
Religious heritage
The commune has a church that is registered as a historical monument:
The Parish Church of Saint Germain-d'Auxerre. The Church contains many items that are registered as historical objects, some of which were destroyed when the church was renovated in 1981:
