Researches on the history of Venetian Lagoon have a lot of aspects: geological, topographical, archaeological. Combining the results allows us to connect the areas of the Lagoon with territory of the Upper Adriatic. The main role in progress of these contacts have the rivers of the Upper Adriatic. Territory of the roman city "Altinum" had the great part because of the connect with the Adriatic See, Luany from the river Sile, ancient "Silis". Article is showing the most important aspects of material discovers connected the Venetian Lagoon with the nearest roman cities, "Altinum"....