Answer:
In Roxane’s balcony
Step-by-step explanation:
In the boom titled "Cyrano de Bergerac" which was written by Edmond Rostand. It was revealed how a certain swordsman named Cyrano de Bergerac and a handsome nobleman named Christian loves a certain beautiful and intellectual Roxane.
At a point, when Christian wanted to show his seduction prowess to Roxanne, he failed in his attempt. This made Cyrano and Christian agree to win Roxanne together "in Roxane’s balcony."
It was revealed that Christian was in front of the balcony speaking to Roxane, while Cyrano is under the balcony whispering what Christian will say.