Monaco foundation holds 20th anniversary gala at Opéra de Monte-Carlo

Prince Albert II of Monaco and Princess Charlene of Monaco attended a private gala on 18 September 2026 at the Salle Garnier of the Opéra de Monte-Carlo. The Prince Albert II of Monaco Foundation, established in 2006, lists the programme as “An exceptional Gala to celebrate 20 years of action for the planet” for climate, biodiversity and water.