The cartography of the Danube and the surronding areas in and after the times of Vincenzo Maria Coronelli and Luigi Ferdinando Marsili seminar framed into the International Study Conference Venice and Eastern Europe from the late Middle Ages to the Modern Age, organized by the Romanian Cultural and Humanistic Research, Istituto Veneto di Scienze Lettere ed Arti, Palazzo Franchetti, Venice 23-24 April 2015