When is the musical set of Mamma Mia?

The musical "Mamma Mia!" is set on a picturesque Greek island. The story revolves around a young woman named Sophie who is about to get married and seeks to discover the identity of her father from among three men who were romantically linked to her mother, Donna, during the summer of 1979. The backdrop of sun-soaked beaches and vibrant island life enhances the themes of love, family, and friendship that permeate the show.