Arén

Arén, in Catalan: Areny de Noguera, or in Aragonese: Arén de Noguera, is a municipality located in the province of Huesca, Aragon, Spain. According to the 2018 census, the municipality has a population of 318 inhabitants.

Villages

These include uninhabited villages:

Former Arén municipality: Arén, Campamento de Arén, Sobrecastell, Berganuy, Claraválls, Puifel and Soliva.
Former Cornudella de Baliera municipality : Rivera de Vall, San Martín, El Sas, Casa Consistorial, Puimolar, L'Hostalet, Vilaplana, Soperún, Iscles, Suerri and Tresserra.
Former Betesa municipality : Betesa, Santa Eulalia, Los Molinos and Obís.

Trivia

The prehistoric crocodilian Arenysuchus was named after the municipality.
The duck billed dinosaur Arenysaurus was also named for this place.