Aigle (French [ɛːgl] frankoprovenzalischen in the local dialect [aːðɔ]) is a municipality in the canton of Vaud, Switzerland, and capital of the district Aigle same name. The former German name Aelen is no longer used today. The inhabitants are called in French Les Aiglons. The eagle in the municipal crest are aigle <Adler> due to the homonymy of the name to French..