 By the time of the Black death (1348), from which most of the population of the time died, most of the Vinschgau Valley, including Graun, had been settled by German speakers; the exception being the side valley of Müstair, where the Romansh language survives to this day.German has remained the majority language in Graun since and as of 2011 German was the first language for more than 97% of its population.The escutcheon is party per fess, azure on the bottom and argent on the upper part, separated by a thin vert stripe.