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This sprawl of pebble beaches and zillion-dollar houses has always captivated sun lovers and socialites. Today's admirers know not to miss the Côte d'Azur's textbook points of interest: animated St-Tropez; the Belle Époque aura of Cannes; the towns made famous by Picasso—Antibes, Vallauris, Mougins; the urban charms of Nice; and a number of spots where the per-capita population of billionaires
must be among the highest on the planet: Cap d'Antibes, Villefranche-sur-Mer, and Monaco.