Prestigious stores and luxury apartment buildings line this elegant avenue in an exclusive district that also includes rue François I and avenue Pierre-I-de-Serbie. At n° 25 avenue Montaigne, the Plaza Athénée Hotel has hosted numerous royal guests and heads of state. At n° 15, the Théâtre des Champs-Élysées, one of the first great buildings in reinforced concrete (1912), is the work of the Perret brothers.