Planning your dream wedding in the South of France? Discover the 20 most exclusive luxury venues where fairy tales come to life, from historic Provence châteaux like Château d’Estoublon to glamorous French Riviera estates like Villa Ephrussi de Rothschild. This comprehensive guide by 4-time TOP 100 World Luxury Wedding Planner Muriel Saldalamacchia features hand-selected venues with capacity details, unique highlights, and insider planning tips for your 2026 celebration.