Unfortunately, I cannot answer your question without more context. The name "Ghannouan" can refer to several things, including:
A person: Ghannouan is a common Arabic name, primarily used for females. The exact meaning of the name varies depending on the dialect, but it generally refers to a young, beautiful woman.
A place: There are several places named Ghannouan, including a village in Tunisia and a neighborhood in Morocco.
An organization: Ghannouan is also the name of a Tunisian political party, the Ennahda Movement.
Please provide more information about the specific Ghannouan you are referring to so I can give you an accurate answer.