Authe
Authe is a commune in the Ardennes department in the Grand Est region of northern France.

The inhabitants of the commune are known as Authois or Authoises.

Geography
Authe is located some 45 km east by south-east of Rethel and 20 km north-east of Vouziers. Access to the commune is by road D12 from Brieulles-sur-Bar in the north which passes through the centre of the commune and the village and continues south to join the D947 south of the commune. The commune consists entirely of farmland.

The Bar river forms the south-western border of the commune as it flows north-west to follow the Canal des Ardennes to join the Meuse near Vrigne-Meuse. The Ruisseau de Saint-Pierremont flows from the north-east of the commune past the village and joins the Bar on the south-western border of the commune.

Neighbouring communes and villages

Heraldry

Administration

List of Successive Mayors

(Not all data is known)

Demography
In 2010 the commune had 92 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 communes that have a sample survey every year.

Culture and heritage

Religious heritage
The commune has one religious building registered as an historical monument:
The Church of Saint-Martin (14th century)