Gulf of Venice its name from when the Venetian Republic was at the height of its power, at this time that state encompassed most of the northern Adriatic Sea. Gulf of Venice The Gulf of Venice is a gulf that borders modern-day Italy, Slovenia and Croatia, and is at the north of the Adriatic Sea between the delta of the Po river in Northern Italy and the Istria peninsula in Croatia. On average the gulf is 38 meters deep. It is the home of the popular destination island Albarella. The Tagliamento, Piave, Adige, Isonzo, Dragonja, and Brenta rivers run into it. Major cities
Gulf of Bothnia a number of rivers from both sides; consequently, a salinity gradient exists from north to south. In the south the water is the normal brackish water of the Baltic Sea, but in the north, in the Bothnian Bay, the salinity is so low, from 0.4% near Kvarken to 0.2% in the northernmost part, that many freshwater fish such as the pike, whitefish and perch thrive in it. Being nearly fresh, the gulf is frozen over five months every year. The icing of the Baltic Sea begins and ends in the northern Gulf of Bothnia. Traffic restrictions for icebreaker assistance are