Austria’s Traisental

Wine regions are threaded along the Danube, one after another, like a string of Chanel pearls. Wagram, Kamptal, Kremstal, Wachau. And Traisental — the only one that lies exclusively south of the Danube. Its namesake river, the Traisen, divides the valley as the Seine does Paris or the Gironde does Bordeaux, into left and right banks. The tiny region flaunts French finesse and cool avant-garde. But also a rustic, down-to-earth charm. In Paris, the Left Bank is the quartier of intellectuals and artists. Through Yves Saint Laurent it achieved world fame in fashion. Who or what sets the tone and…